Collection: Screws - Thumb - Knurled - Stainless - Standard

Screws -> Thumb -> Knurled -> Stainless -> Standard

There are 8 products in the sub-categories of Screws - Thumb - Knurled - Stainless - Standard. Browse the Screws - Thumb - Knurled - Stainless - Standard products table.

Category Details

A selection of Standard Stainless Knurled Thumb Screws. Stainless steel knurled head thumb screws

  • An expanded range may be available on special order. Please enquire.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Screws - Thumb - Knurled - Stainless - Standard category on the MBA Minibearings main store.
Thread Size (C) Thread Length (Tl) Overall Length (L) Head Diameter (D) Head Height (H) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Head Diameter (D)
7.94
mm
Head Height (H)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS028C-010-K-3 (Each)
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
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 (C) Thread Length (Tl) Overall Length (L) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 7.94 mm    Head Height (H): 4.76 mm    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS028C-010-K-3 (Each)
Thumb Screws - 4-40 UNC - 2.85mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
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 (C)
M3 (3x0.5mm)

Thread Length (Tl)
6.00
mm

(Equiv. 0.236 in.)
Overall Length (L)
10.50
mm

(Equiv. 0.413 in.)
Head Diameter (D)
12.00
mm
Head Height (H)
4.50
mm
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS030M-006-K-3 (PK-2)
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel Screw
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.
Thread Size (C)
M3 (3x0.5mm)

Thread Length (Tl)
6.00
mm

(Equiv. 0.236 in.)
Overall Length (L)
10.50
mm

(Equiv. 0.413 in.)
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 12.00 mm    Head Height (H): 4.50 mm    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS030M-006-K-3 (PK-2)
Thumb Screws - M3 - 3x0.5mm - 6x10.5 mm Knurled - Stainless Steel Screw
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.
Thread Size (C)
M3 (3x0.5mm)

Thread Length (Tl)
10.00
mm

(Equiv. 0.394 in.)
Overall Length (L)
12.50
mm

(Equiv. 0.492 in.)
Head Diameter (D)
12.00
mm
Head Height (H)
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   
Part Number: THS030M-010-K-3 (Each)
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $9.50 AUD
Regular price Sale price $9.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Thread Length (Tl)
10.00
mm

(Equiv. 0.394 in.)
Overall Length (L)
12.50
mm

(Equiv. 0.492 in.)
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 (D): 12.00 mm    Head Height (H): 2.50 mm    Finish: Plain   
Part Number: THS030M-010-K-3 (Each)
Thumb Screws - M3 - 3x0.5mm - 10x12.5 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $9.50 AUD
Regular price Sale price $9.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M4 (4x0.7mm)

Thread Length (Tl)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L)
13.50
mm

(Equiv. 0.531 in.)
Head Diameter (D)
16.00
mm
Head Height (H)
5.50
mm
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS040M-008-K-3 (PK-2)
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel Screw
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.
Thread Size (C)
M4 (4x0.7mm)

Thread Length (Tl)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L)
13.50
mm

(Equiv. 0.531 in.)
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 16.00 mm    Head Height (H): 5.50 mm    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS040M-008-K-3 (PK-2)
Thumb Screws - M4 - 4x0.7mm - 8x13.5 mm Knurled - Stainless Steel Screw
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.
Thread Size (C)
8-32 UNC (4.17mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Head Diameter (D)
9.53
mm
Head Height (H)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Part Number: THS042C-010-K-3 (Each)
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
2 Available Now | Further orders can be expected around Thu, Jan 15, 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.
Thread Size (C)
8-32 UNC (4.17mm)

Thread Length (Tl)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L)
14.29
mm

(Equiv. 0.563 in.)
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 9.53 mm    Head Height (H): 4.76 mm    Finish: Plain   
Part Number: THS042C-010-K-3 (Each)
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x14.29 mm Knurled - Stainless Steel Screw
2 Available Now | Further orders can be expected around Thu, Jan 15, 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.
Thread Size (C)
M5 (5x0.8mm)

Thread Length (Tl)
9.00
mm

(Equiv. 0.354 in.)
Overall Length (L)
14.00
mm

(Equiv. 0.551 in.)
Head Diameter (D)
11.00
mm
Head Height (H)
5.00
mm
Thumb Screws - M5 - 5x0.8mm - 9x14 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS050M-009-K-3 (Each)
Thumb Screws - M5 - 5x0.8mm - 9x14 mm Knurled - Stainless Steel Screw
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 $9.79 AUD
Regular price $11.75 AUD Sale price $9.79 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 (C)
M5 (5x0.8mm)

Thread Length (Tl)
9.00
mm

(Equiv. 0.354 in.)
Overall Length (L)
14.00
mm

(Equiv. 0.551 in.)
Thumb Screws - M5 - 5x0.8mm - 9x14 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 11.00 mm    Head Height (H): 5.00 mm    Finish: Plain   
Deleted Item. Available while stocks last.
Part Number: THS050M-009-K-3 (Each)
Thumb Screws - M5 - 5x0.8mm - 9x14 mm Knurled - Stainless Steel Screw
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 $9.79 AUD
Regular price $11.75 AUD Sale price $9.79 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 (C)
M6 (6x1mm)

Thread Length (Tl)
16.00
mm

(Equiv. 0.63 in.)
Overall Length (L)
21.00
mm

(Equiv. 0.827 in.)
Head Diameter (D)
24.00
mm
Head Height (H)
5.00
mm
Thumb Screws - M6 - 6x1mm - 16x21 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   
Part Number: THS060M-016-K-3 (Each)
Thumb Screws - M6 - 6x1mm - 16x21 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
4 Available Now | Further orders can be expected around Tue, Jan 13, 2026
Regular price $10.41 AUD
Regular price $19.49 AUD Sale price $10.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thread Size (C)
M6 (6x1mm)

Thread Length (Tl)
16.00
mm

(Equiv. 0.63 in.)
Overall Length (L)
21.00
mm

(Equiv. 0.827 in.)
Thumb Screws - M6 - 6x1mm - 16x21 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 (D): 24.00 mm    Head Height (H): 5.00 mm    Finish: Plain   
Part Number: THS060M-016-K-3 (Each)
Thumb Screws - M6 - 6x1mm - 16x21 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
4 Available Now | Further orders can be expected around Tue, Jan 13, 2026
Regular price $10.41 AUD
Regular price $19.49 AUD Sale price $10.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thread Size (C)
M6 (6x1mm)

Thread Length (Tl)
18.00
mm

(Equiv. 0.709 in.)
Overall Length (L)
24.00
mm

(Equiv. 0.945 in.)
Head Diameter (D)
13.00
mm
Head Height (H)
6.00
mm
Thumb Screws - M6 - 6x1mm - 18x24 mm Knurled - Stainless Steel
Material: Stainless Steel    Finish: Plain   
Part Number: THS060M-018-K-3 (Each)
Thumb Screws - M6 - 6x1mm - 18x24 mm Knurled - Stainless Steel Screw
2 Available Now | Further orders can be expected around Thu, Jan 15, 2026
Regular price $31.05 AUD
Regular price $58.71 AUD Sale price $31.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Thread Size (C)
M6 (6x1mm)

Thread Length (Tl)
18.00
mm

(Equiv. 0.709 in.)
Overall Length (L)
24.00
mm

(Equiv. 0.945 in.)
Thumb Screws - M6 - 6x1mm - 18x24 mm Knurled - Stainless Steel
Material: Stainless Steel    Head Diameter (D): 13.00 mm    Head Height (H): 6.00 mm    Finish: Plain   
Part Number: THS060M-018-K-3 (Each)
Thumb Screws - M6 - 6x1mm - 18x24 mm Knurled - Stainless Steel Screw
2 Available Now | Further orders can be expected around Thu, Jan 15, 2026
Regular price $31.05 AUD
Regular price $58.71 AUD Sale price $31.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.