Collection: Screws - Thumb

Screws -> Thumb

There are 68 products in the sub-categories of Screws - Thumb. Scroll down or follow the link to Screws - Thumb in the products table to see all these items combined into a handy table with filters. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of thumb screws.
  • An expanded range may be available on special order. Please enquire.
Screws - Thumb

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Screws - Thumb category on the MBA Minibearings main store.
Thread Size (A) Thread Length (B) Overall Length (C+D) Head Diameter (E) Head Height (D) Indicative
Image
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Head Diameter (E)
7.94
mm
Head Height (D)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-010-K-3 (Each)
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $7.01 AUD
Regular price $8.41 AUD Sale price $7.01 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread Size (A) Thread Length (B) Overall Length (C+D) Indicative
Image
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 7.94 mm    Head Height (D): 4.76 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-010-K-3 (Each)
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $7.01 AUD
Regular price $8.41 AUD Sale price $7.01 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 4-40 UNC - 2.85mm - 11.11x19.05 mm Knurled - Stainless Steel Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Head Diameter (E)
9.53
mm
Head Height (D)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 11.11x19.05 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS028C-011-K-SS-WF (Each)
1 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $8.77 AUD
Regular price $10.53 AUD Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Thumb Screws - 4-40 UNC - 2.85mm - 11.11x19.05 mm Knurled - Stainless Steel Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Thumb Screws - 4-40 UNC - 2.85mm - 11.11x19.05 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 9.53 mm    Head Height (D): 4.76 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS028C-011-K-SS-WF (Each)
1 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $8.77 AUD
Regular price $10.53 AUD Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
12.70
mm
Overall Length (C+D)
17.46
mm
Head Diameter (E)
7.94
mm
Head Height (D)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Finish: Zinc Chromate Plated   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-013-K-BZ (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $9.00 AUD
Regular price $17.10 AUD Sale price $9.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
12.70
mm
Overall Length (C+D)
17.46
mm
Thumb Screws - 4-40 UNC - 2.85mm - 12.7x17.46 mm Knurled - Brass
Material: Brass    Head Diameter (E): 7.94 mm    Head Height (D): 4.76 mm    Finish: Zinc Chromate Plated   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-013-K-BZ (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $9.00 AUD
Regular price $17.10 AUD Sale price $9.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 4-40 UNC - 2.85mm - 19.05x26.19 mm Knurled - Nylon Polyamide 6/6 Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
19.05
mm
Overall Length (C+D)
26.19
mm
Head Diameter (E)
7.94
mm
Thumb Screws - 4-40 UNC - 2.85mm - 19.05x26.19 mm Knurled - Nylon Polyamide 6/6
Material: Nylon (Polyamide 6/6)   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-019-K-NY-WF (PK-10)
3 units (30 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (30 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 4-40 UNC - 2.85mm - 19.05x26.19 mm Knurled - Nylon Polyamide 6/6 Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
19.05
mm
Overall Length (C+D)
26.19
mm
Thumb Screws - 4-40 UNC - 2.85mm - 19.05x26.19 mm Knurled - Nylon Polyamide 6/6
Material: Nylon (Polyamide 6/6)    Head Diameter (E): 7.94 mm   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS028C-019-K-NY-WF (PK-10)
3 units (30 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (30 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
25.40
mm
Overall Length (C+D)
34.93
mm
Head Diameter (E)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Knurled
Part Number: THS028C-025-K-3-P (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $15.41 AUD
Regular price Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
4-40 UNC (2.85mm)
Thread Length (B)
25.40
mm
Overall Length (C+D)
34.93
mm
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 4.76 mm   
Category: Screws - Thumb - Knurled
Part Number: THS028C-025-K-3-P (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $15.41 AUD
Regular price Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel Screw
Thread Size (A)
M3 (3x0.5mm)
Thread Length (B)
6.00
mm
Overall Length (C+D)
10.50
mm
Head Diameter (E)
12.00
mm
Head Height (D)
4.50
mm
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS030M-006-K-3 (PK-2)
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $11.87 AUD
Regular price $22.56 AUD Sale price $11.87 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (2 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel Screw
Thread Size (A)
M3 (3x0.5mm)
Thread Length (B)
6.00
mm
Overall Length (C+D)
10.50
mm
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 12.00 mm    Head Height (D): 4.50 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS030M-006-K-3 (PK-2)
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $11.87 AUD
Regular price $22.56 AUD Sale price $11.87 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (2 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
M3 (3x0.5mm)
Thread Length (B)
10.00
mm
Overall Length (C+D)
12.50
mm
Head Diameter (E)
12.00
mm
Head Height (D)
2.50
mm
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS030M-010-K-3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
M3 (3x0.5mm)
Thread Length (B)
10.00
mm
Overall Length (C+D)
12.50
mm
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 12.00 mm    Head Height (D): 2.50 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS030M-010-K-3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 6-32 UNC - 3.5mm - 9.53x17.46 mm Knurled - Stainless Steel Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
17.46
mm
Head Diameter (E)
9.53
mm
Head Height (D)
4.76
mm
Thumb Screws - 6-32 UNC - 3.5mm - 9.53x17.46 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS035C-010-K-SS-WF (Each)
5 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $8.68 AUD
Regular price $10.42 AUD Sale price $8.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Thumb Screws - 6-32 UNC - 3.5mm - 9.53x17.46 mm Knurled - Stainless Steel Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
17.46
mm
Thumb Screws - 6-32 UNC - 3.5mm - 9.53x17.46 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 9.53 mm    Head Height (D): 4.76 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS035C-010-K-SS-WF (Each)
5 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $8.68 AUD
Regular price $10.42 AUD Sale price $8.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. Backorder if more than 5.
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Head Diameter (E)
11.11
mm
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Shoulder
Part Number: THS035C-019-K-3-SHL (Each)
2 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $11.32 AUD
Regular price Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 11.11 mm   
Category: Screws - Thumb - Shoulder
Part Number: THS035C-019-K-3-SHL (Each)
2 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $11.32 AUD
Regular price Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thumb Screws - 6-32 UNC - 3.5mm - 10.3x18.26 mm Knurled - Brass Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
10.30
mm
Overall Length (C+D)
18.26
mm
Head Diameter (E)
11.11
mm
Head Height (D)
4.76
mm
Thumb Screws - 6-32 UNC - 3.5mm - 10.3x18.26 mm Knurled - Brass
Material: Brass    Finish: Nickel Plated   
Category: Screws - Thumb - Knurled
Part Number: THS035C-010-K-BN-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $73.86 AUD
Regular price Sale price $73.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 6-32 UNC - 3.5mm - 10.3x18.26 mm Knurled - Brass Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
10.30
mm
Overall Length (C+D)
18.26
mm
Thumb Screws - 6-32 UNC - 3.5mm - 10.3x18.26 mm Knurled - Brass
Material: Brass    Head Diameter (E): 11.11 mm    Head Height (D): 4.76 mm    Finish: Nickel Plated   
Category: Screws - Thumb - Knurled
Part Number: THS035C-010-K-BN-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $73.86 AUD
Regular price Sale price $73.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Knurled - Aluminium Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Head Diameter (E)
9.53
mm
Head Height (D)
4.76
mm
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Knurled - Aluminium
Material: Aluminium    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS035C-011-K-AL-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $11.05 AUD
Regular price Sale price $11.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Knurled - Aluminium Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Thumb Screws - 6-32 UNC - 3.5mm - 11.11x19.05 mm Knurled - Aluminium
Material: Aluminium    Head Diameter (E): 9.53 mm    Head Height (D): 4.76 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS035C-011-K-AL-WF (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 2026
Regular price $11.05 AUD
Regular price Sale price $11.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x32.54 mm Knurled - Nylon Polyamide 6/6 Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
25.40
mm
Overall Length (C+D)
32.54
mm
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x32.54 mm Knurled - Nylon Polyamide 6/6
Material: Nylon (Polyamide 6/6)   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS035C-025-K-NY-WF (PK-10)
6 units (60 pcs) Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x32.54 mm Knurled - Nylon Polyamide 6/6 Screw
Thread Size (A)
6-32 UNC (3.5mm)
Thread Length (B)
25.40
mm
Overall Length (C+D)
32.54
mm
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x32.54 mm Knurled - Nylon Polyamide 6/6
Material: Nylon (Polyamide 6/6)   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS035C-025-K-NY-WF (PK-10)
6 units (60 pcs) Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - M4 - 4x0.7mm - 8x13 mm Knurled - Steel Zinc Plated Screw
Thread Size (A)
M4 (4x0.7mm)
Thread Length (B)
8.00
mm
+/- 0.20
(Equiv. 0.315 in.)
Overall Length (C+D)
13.00
mm
+ / - 0.40
(Equiv. 0.512 in.)
Head Diameter (E)
15.50
mm
+/- 0.50
Head Height (D)
5.00
mm
+/- 0.20
Thumb Screws - M4 - 4x0.7mm - 8x13 mm Knurled - Steel Zinc Plated
Material: Steel Zinc Plated    Finish: Zinc Plated   
Category: Screws - Thumb - Knurled
Part Number: THS040M-008-K-Z (PK-10)
192 units (1920 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $7.95 AUD
Regular price Sale price $7.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 192 available can be backordered.
Thumb Screws - M4 - 4x0.7mm - 8x13 mm Knurled - Steel Zinc Plated Screw
Thread Size (A)
M4 (4x0.7mm)
Thread Length (B)
8.00
mm
+/- 0.20
(Equiv. 0.315 in.)
Overall Length (C+D)
13.00
mm
+ / - 0.40
(Equiv. 0.512 in.)
Thumb Screws - M4 - 4x0.7mm - 8x13 mm Knurled - Steel Zinc Plated
Material: Steel Zinc Plated    Head Diameter (E): 15.50 mm +/- 0.50    Head Height (D): 5.00 mm +/- 0.20   Finish: Zinc Plated   
Category: Screws - Thumb - Knurled
Part Number: THS040M-008-K-Z (PK-10)
192 units (1920 pcs) Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $7.95 AUD
Regular price Sale price $7.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

192 units (1920 pcs) Available Now. Backorder if more than 192.
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel Screw
Thread Size (A)
M4 (4x0.7mm)
Thread Length (B)
8.00
mm
Overall Length (C+D)
13.50
mm
Head Diameter (E)
16.00
mm
Head Height (D)
5.50
mm
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS040M-008-K-3 (PK-2)
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.60 AUD
Regular price $29.64 AUD Sale price $15.60 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (2 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel Screw
Thread Size (A)
M4 (4x0.7mm)
Thread Length (B)
8.00
mm
Overall Length (C+D)
13.50
mm
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 16.00 mm    Head Height (D): 5.50 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Deleted Item. Available while stocks last.
Part Number: THS040M-008-K-3 (PK-2)
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.60 AUD
Regular price $29.64 AUD Sale price $15.60 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (2 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
15.88
mm
Head Diameter (E)
9.53
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-3-N (Each)
1 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $8.05 AUD
Regular price $9.65 AUD Sale price $8.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
15.88
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 9.53 mm   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-3-N (Each)
1 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $8.05 AUD
Regular price $9.65 AUD Sale price $8.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x17.46 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
17.46
mm
Head Diameter (E)
11.11
mm
1054248 | THS042C-017-K-3-SHL (Each) --- Thumb Screws - 8-32 UNC - 4.17mm - 9.53x17.46 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Shoulder
Part Number: THS042C-017-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $10.05 AUD
Regular price $12.05 AUD Sale price $10.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x17.46 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
17.46
mm
1054248 | THS042C-017-K-3-SHL (Each) --- Thumb Screws - 8-32 UNC - 4.17mm - 9.53x17.46 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 11.11 mm   
Category: Screws - Thumb - Shoulder
Part Number: THS042C-017-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $10.05 AUD
Regular price $12.05 AUD Sale price $10.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Head Diameter (E)
9.53
mm
Head Height (D)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-3 (Each)
2 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $20.95 AUD
Regular price Sale price $20.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 9.53 mm    Head Height (D): 4.76 mm    Finish: Plain   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-3 (Each)
2 Available Now | Further orders can be expected around Tue, Jul 14, 2026
Regular price $20.95 AUD
Regular price Sale price $20.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - NYLATRON GS PA66 + MoS2 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Head Diameter (E)
9.53
mm
Head Height (D)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - NYLATRON GS PA66 + MoS2
Material: NYLATRON GS (PA66 + MoS2)   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-NY (Each)
8 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $6.68 AUD
Regular price $8.02 AUD Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - NYLATRON GS PA66 + MoS2 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
9.53
mm
Overall Length (C+D)
14.29
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - NYLATRON GS PA66 + MoS2
Material: NYLATRON GS (PA66 + MoS2)    Head Diameter (E): 9.53 mm    Head Height (D): 4.76 mm   
Category: Screws - Thumb - Knurled
Part Number: THS042C-010-K-NY (Each)
8 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $6.68 AUD
Regular price $8.02 AUD Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

8 Available Now. Backorder if more than 8.
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x20.64 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
12.70
mm
Overall Length (C+D)
20.64
mm
Head Diameter (E)
11.11
mm
1054323 | THS042C-021-K-3-SHL (Each) --- Thumb Screws - 8-32 UNC - 4.17mm - 12.7x20.64 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Shoulder
Part Number: THS042C-021-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $10.77 AUD
Regular price $12.93 AUD Sale price $10.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x20.64 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
12.70
mm
Overall Length (C+D)
20.64
mm
1054323 | THS042C-021-K-3-SHL (Each) --- Thumb Screws - 8-32 UNC - 4.17mm - 12.7x20.64 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 11.11 mm   
Category: Screws - Thumb - Shoulder
Part Number: THS042C-021-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $10.77 AUD
Regular price $12.93 AUD Sale price $10.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thumb Screws - 8-32 UNC - 4.17mm - 19.05 - - Nylon Tip - Carbon Steel Zinc Plated Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
19.05
mm
Thumb Screws - 8-32 UNC - 4.17mm - 19.05  Nylon Tip - Carbon Steel Zinc Plated
Material: Carbon Steel Zinc Plated    Finish: Zinc Plated   
Category: Screws - Thumb - Nylon Tip
Deleted Item. Available while stocks last.
Part Number: THS042C-019-F-CZ-NT (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 8-32 UNC - 4.17mm - 19.05 - - Nylon Tip - Carbon Steel Zinc Plated Screw
Thread Size (A)
8-32 UNC (4.17mm)
Thread Length (B)
19.05
mm
Thumb Screws - 8-32 UNC - 4.17mm - 19.05  Nylon Tip - Carbon Steel Zinc Plated
Material: Carbon Steel Zinc Plated    Finish: Zinc Plated   
Category: Screws - Thumb - Nylon Tip
Deleted Item. Available while stocks last.
Part Number: THS042C-019-F-CZ-NT (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $12.00 AUD
Regular price $22.80 AUD Sale price $12.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel Screw
Thread Size (A)
3/16-24 BSW (4.76mm)
Thread Length (B)
19.05
mm
Overall Length (C+D)
30.40
mm
Head Diameter (E)
13.70
mm
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel
Material: Steel    Finish: Zinc Plated   
Category: Screws - Thumb - Flat Key Head
Deleted Item. Available while stocks last.
Part Number: THS048W-019-F-CS (PK-10)
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.89 AUD
Regular price $10.28 AUD Sale price $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

12 units (120 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel Screw
Thread Size (A)
3/16-24 BSW (4.76mm)
Thread Length (B)
19.05
mm
Overall Length (C+D)
30.40
mm
Thumb Screws - 3/16-24 BSW - 4.76mm - 19.05x30.4 mm Flat Key Head - Steel
Material: Steel    Head Diameter (E): 13.70 mm    Finish: Zinc Plated   
Category: Screws - Thumb - Flat Key Head
Deleted Item. Available while stocks last.
Part Number: THS048W-019-F-CS (PK-10)
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.89 AUD
Regular price $10.28 AUD Sale price $2.89 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

12 units (120 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thumb Screws - 10-24 UNC - 4.76mm - 19.05 - - Dog Point - Steel Screw
Thread Size (A)
10-24 UNC (4.76mm)
Thread Length (B)
19.05
mm
Head Diameter (E)
19.05
mm
Head Height (D)
6.35
mm
Thumb Screws - 10-24 UNC - 4.76mm - 19.05  Dog Point - Steel
Material: Steel    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS048C-019-K-CS-DP (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $27.50 AUD
Regular price Sale price $27.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 10-24 UNC - 4.76mm - 19.05 - - Dog Point - Steel Screw
Thread Size (A)
10-24 UNC (4.76mm)
Thread Length (B)
19.05
mm
Thumb Screws - 10-24 UNC - 4.76mm - 19.05  Dog Point - Steel
Material: Steel    Head Diameter (E): 19.05 mm    Head Height (D): 6.35 mm    Finish: Black Oxide   
Category: Screws - Thumb - Dog Point
Part Number: THS048C-019-K-CS-DP (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
Regular price $27.50 AUD
Regular price Sale price $27.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thumb Screws - 10-24 UNC - 4.76mm - 38.1 - - Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
10-24 UNC (4.76mm)
Thread Length (B)
38.10
mm
Head Diameter (E)
15.88
mm
Head Height (D)
4.76
mm
Thumb Screws - 10-24 UNC - 4.76mm - 38.1  Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Flat Tip
Part Number: THS048C-038-K-CS-FT (Each)
1 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $8.77 AUD
Regular price $10.53 AUD Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Thumb Screws - 10-24 UNC - 4.76mm - 38.1 - - Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
10-24 UNC (4.76mm)
Thread Length (B)
38.10
mm
Thumb Screws - 10-24 UNC - 4.76mm - 38.1  Flat Tip - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 15.88 mm    Head Height (D): 4.76 mm   
Category: Screws - Thumb - Flat Tip
Part Number: THS048C-038-K-CS-FT (Each)
1 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $8.77 AUD
Regular price $10.53 AUD Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Thumb Screws - 10-32 UNF - 4.76mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
10-32 UNF (4.76mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Head Diameter (E)
12.70
mm
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Category: Screws - Thumb - Shoulder
Part Number: THS048F-019-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $12.59 AUD
Regular price $15.11 AUD Sale price $12.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Thumb Screws - 10-32 UNF - 4.76mm - 11.11x19.05 mm Shoulder - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Thread Size (A)
10-32 UNF (4.76mm)
Thread Length (B)
11.11
mm
Overall Length (C+D)
19.05
mm
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (E): 12.70 mm   
Category: Screws - Thumb - Shoulder
Part Number: THS048F-019-K-3-SHL (Each)
4 Available Now | Further orders can be expected around Sun, Jun 28, 2026
Regular price $12.59 AUD
Regular price $15.11 AUD Sale price $12.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.