Collection: Screws - Thumb - Knurled - Stainless
Screws -> Thumb -> Knurled -> StainlessThere are 12 products in the sub-categories of Screws - Thumb - Knurled - Stainless. Browse the Screws - Thumb - Knurled - Stainless products table. To narrow down the selection, please choose a sub-category from the links below.
Screws - Thumb - Knurled - Stainless - Precision Head
A selection of Precision Head Stainless Knurled Thumb Screws. This is the...
Screws - Thumb - Knurled - Stainless - Slim Head
A selection of Slim Head Stainless Knurled Thumb Screws. This is the...
Screws - Thumb - Knurled - Stainless - Standard
A selection of Standard Stainless Knurled Thumb Screws. Stainless steel knurled head...
Category Details
This category includes various types of 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 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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
| 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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 7.94 mm
Head Height (H): 4.76 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
Thread Size (C)
4-40 UNC (2.85mm)
|
Thread Length (Tl)
25.40
mm (Equiv. 1 in.) |
Overall Length (L)
34.93
mm (Equiv. 1.375 in.) |
Head Diameter (D)
4.76
mm |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Screws - Thumb - Knurled - Stainless - Precision Head |
|||||
|
Part Number: THS028C-025-K-3-P (Each)
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025 Regular price
$15.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
Thread Size (C)
4-40 UNC (2.85mm)
|
Thread Length (Tl)
25.40
mm (Equiv. 1 in.) |
Overall Length (L)
34.93
mm (Equiv. 1.375 in.) |
|
||
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Head Diameter (D): 4.76 mm
Category: Screws - Thumb - Knurled - Stainless - Precision Head |
|||||
|
Part Number: THS028C-025-K-3-P (Each)
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw Out of Stock | Backorder Now | Orders can be expected around Tue, Dec 30, 2025 Regular price
$15.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 12.00 mm
Head Height (H): 4.50 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
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
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 16.00 mm
Head Height (H): 5.50 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 9.53 mm
Head Height (H): 4.76 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
Thread Size (C)
8-32 UNC (4.17mm)
|
Thread Length (Tl)
9.53
mm (Equiv. 0.375 in.) |
Overall Length (L)
15.88
mm (Equiv. 0.625 in.) |
Head Diameter (D)
9.53
mm |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS042C-010-K-3-N (Each)
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$8.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
Thread Size (C)
8-32 UNC (4.17mm)
|
Thread Length (Tl)
9.53
mm (Equiv. 0.375 in.) |
Overall Length (L)
15.88
mm (Equiv. 0.625 in.) |
|
||
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Head Diameter (D): 9.53 mm
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS042C-010-K-3-N (Each)
Thumb Screws - 8-32 UNC - 4.17mm - 9.53x15.88 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$8.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 11.00 mm
Head Height (H): 5.00 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard 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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
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
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
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 |
|
|
Material: Stainless Steel
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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.) |
|
||
|
Material: Stainless Steel
Head Diameter (D): 13.00 mm
Head Height (H): 6.00 mm
Finish: Plain
Category: Screws - Thumb - Knurled - Stainless - Standard |
|||||
|
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
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
Thread Size (C)
1/4-20 UNC (6.35mm)
|
Thread Length (Tl)
15.88
mm (Equiv. 0.625 in.) |
Overall Length (L)
23.81
mm (Equiv. 0.937 in.) |
Head Diameter (D)
19.05
mm |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS064C-016-K-3-N (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 15.88x23.81 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$33.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
Thread Size (C)
1/4-20 UNC (6.35mm)
|
Thread Length (Tl)
15.88
mm (Equiv. 0.625 in.) |
Overall Length (L)
23.81
mm (Equiv. 0.937 in.) |
|
||
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Head Diameter (D): 19.05 mm
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS064C-016-K-3-N (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 15.88x23.81 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$33.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
|||||
|
Thread Size (C)
1/4-20 UNC (6.35mm)
|
Thread Length (Tl)
25.40
mm (Equiv. 1 in.) |
Overall Length (L)
36.51
mm (Equiv. 1.437 in.) |
Head Diameter (D)
19.05
mm |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS064C-025-K-3-N (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$22.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
Thread Size (C)
1/4-20 UNC (6.35mm)
|
Thread Length (Tl)
25.40
mm (Equiv. 1 in.) |
Overall Length (L)
36.51
mm (Equiv. 1.437 in.) |
|
||
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Head Diameter (D): 19.05 mm
Category: Screws - Thumb - Knurled - Stainless - Slim Head |
|||||
|
Part Number: THS064C-025-K-3-N (Each)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x36.51 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw 2 Available Now | Further orders can be expected around Tue, Dec 30, 2025 Regular price
$22.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||||
|
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