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Plain Thumb Screws

Thumb Screws come in all common threads with a variety of thread lengths. The high quality knurl allows for an easy grip to hand tighten these screws into place, but have also been used for their decorative and unique appearance.

#4-40 Plain Thumb Screws

5/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7620 Stainless Steel 5/16" 3/16" #4-40 5/16"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #4-40
  • Thread Length: 5/16"

3/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7621 Stainless Steel 5/16" 3/16" #4-40 3/8"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #4-40
  • Thread Length: 3/8"

7/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7622 Stainless Steel 5/16" 3/16" #4-40 7/16"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #4-40
  • Thread Length: 7/16"

1/2"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7623 Stainless Steel 5/16" 3/16" #4-40 1/2"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #4-40
  • Thread Length: 1/2"

#6-32 Plain Thumb Screws

5/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7624 Stainless Steel 5/16" 3/16" #6-32 5/16"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #6-32
  • Thread Length: 5/16"

3/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7625 Stainless Steel 5/16" 3/16" #6-32 3/8"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #6-32
  • Thread Length: 3/8"

7/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7626 Stainless Steel 5/16" 3/16" #6-32 7/16"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #6-32
  • Thread Length: 7/16"

1/2"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7627 Stainless Steel 5/16" 3/16" #6-32 1/2"
  • Material: Stainless Steel
  • Head Diameter: 5/16"
  • Head Length: 3/16"
  • Male Thread: #6-32
  • Thread Length: 1/2"

#8-32 Plain Thumb Screws

3/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7628 Stainless Steel 3/8" 3/16" #8-32 3/8"
  • Material: Stainless Steel
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 3/8"

7/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7629 Stainless Steel 3/8" 3/16" #8-32 7/16"
  • Material: Stainless Steel
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 7/16"

1/2"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7630 Stainless Steel 3/8" 3/16" #8-32 1/2"
  • Material: Stainless Steel
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 1/2"

9/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7631 Stainless Steel 3/8" 3/16" #8-32 9/16"
  • Material: Stainless Steel
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 9/16"

5/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7632 Stainless Steel 3/8" 3/16" #8-32 5/8"
  • Material: Stainless Steel
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 5/8"

#10-32 Plain Thumb Screws

3/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7633 Stainless Steel 7/16" 3/16" #10-32 3/8"
  • Material: Stainless Steel
  • Head Diameter: 7/16"
  • Head Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 3/8"

7/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7634 Stainless Steel 7/16" 3/16" #10-32 7/16"
  • Material: Stainless Steel
  • Head Diameter: 7/16"
  • Head Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 7/16"

1/2"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7635 Stainless Steel 7/16" 3/16" #10-32 1/2"
  • Material: Stainless Steel
  • Head Diameter: 7/16"
  • Head Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 1/2"

9/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7636 Stainless Steel 7/16" 3/16" #10-32 9/16"
  • Material: Stainless Steel
  • Head Diameter: 7/16"
  • Head Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 9/16"

5/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7637 Stainless Steel 7/16" 3/16" #10-32 5/8"
  • Material: Stainless Steel
  • Head Diameter: 7/16"
  • Head Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 5/8"

#1/4-20 Plain Thumb Screws

1/2"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7638 Stainless Steel 1/2" 1/4" #1/4-20 1/2"
  • Material: Stainless Steel
  • Head Diameter: 1/2"
  • Head Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 1/2"

9/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7639 Stainless Steel 1/2" 1/4" #1/4-20 9/16"
  • Material: Stainless Steel
  • Head Diameter: 1/2"
  • Head Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 9/16"

5/8"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7640 Stainless Steel 1/2" 1/4" #1/4-20 5/8"
  • Material: Stainless Steel
  • Head Diameter: 1/2"
  • Head Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 5/8"

11/16"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7641 Stainless Steel 1/2" 1/4" #1/4-20 11/16"
  • Material: Stainless Steel
  • Head Diameter: 1/2"
  • Head Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 11/16"

3/4"

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS7642 Stainless Steel 1/2" 1/4" #1/4-20 3/4"
  • Material: Stainless Steel
  • Head Diameter: 1/2"
  • Head Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 3/4"

M3.0x0.5 Plain Thumb Screws

8mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5465 Stainless Steel 8mm 5mm M3.0x0.5 8mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.0x0.5
  • Thread Length: 8mm

9mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5466 Stainless Steel 8mm 5mm M3.0x0.5 9mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.0x0.5
  • Thread Length: 9mm

11mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5467 Stainless Steel 8mm 5mm M3.0x0.5 11mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.0x0.5
  • Thread Length: 11mm

13mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5468 Stainless Steel 8mm 5mm M3.0x0.5 13mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.0x0.5
  • Thread Length: 13mm

M3.5x0.6 Plain Thumb Screws

8mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5469 Stainless Steel 8mm 5mm M3.5x0.6 8mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.5x0.6
  • Thread Length: 8mm

9mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5470 Stainless Steel 8mm 5mm M3.5x0.6 9mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.5x0.6
  • Thread Length: 9mm

11mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5471 Stainless Steel 8mm 5mm M3.5x0.6 11mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.5x0.6
  • Thread Length: 11mm

13mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5472 Stainless Steel 8mm 5mm M3.5x0.6 13mm
  • Material: Stainless Steel
  • Head Diameter: 8mm
  • Head Length: 5mm
  • Male Thread: M3.5x0.6
  • Thread Length: 13mm

M4.0x0.7 Plain Thumb Screws

9mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5473 Stainless Steel 10mm 5mm M4.0x0.7 9mm
  • Material: Stainless Steel
  • Head Diameter: 10mm
  • Head Length: 5mm
  • Male Thread: M4.0x0.7
  • Thread Length: 9mm

11mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5474 Stainless Steel 10mm 5mm M4.0x0.7 11mm
  • Material: Stainless Steel
  • Head Diameter: 10mm
  • Head Length: 5mm
  • Male Thread: M4.0x0.7
  • Thread Length: 11mm

13mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5475 Stainless Steel 10mm 5mm M4.0x0.7 13mm
  • Material: Stainless Steel
  • Head Diameter: 10mm
  • Head Length: 5mm
  • Male Thread: M4.0x0.7
  • Thread Length: 13mm

14.0mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5476 Stainless Steel 10mm 5mm M4.0x0.7 14.0mm
  • Material: Stainless Steel
  • Head Diameter: 10mm
  • Head Length: 5mm
  • Male Thread: M4.0x0.7
  • Thread Length: 14.0mm

16mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5477 Stainless Steel 10mm 5mm M4.0x0.7 16mm
  • Material: Stainless Steel
  • Head Diameter: 10mm
  • Head Length: 5mm
  • Male Thread: M4.0x0.7
  • Thread Length: 16mm

M5.0x0.8 Plain Thumb Screws

9mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5478 Stainless Steel 11mm 5mm M5.0x0.8 9mm
  • Material: Stainless Steel
  • Head Diameter: 11mm
  • Head Length: 5mm
  • Male Thread: M5.0x0.8
  • Thread Length: 9mm

11mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5479 Stainless Steel 11mm 5mm M5.0x0.8 11mm
  • Material: Stainless Steel
  • Head Diameter: 11mm
  • Head Length: 5mm
  • Male Thread: M5.0x0.8
  • Thread Length: 11mm

13mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5480 Stainless Steel 11mm 5mm M5.0x0.8 13mm
  • Material: Stainless Steel
  • Head Diameter: 11mm
  • Head Length: 5mm
  • Male Thread: M5.0x0.8
  • Thread Length: 13mm

14.0mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5481 Stainless Steel 11mm 5mm M5.0x0.8 14.0mm
  • Material: Stainless Steel
  • Head Diameter: 11mm
  • Head Length: 5mm
  • Male Thread: M5.0x0.8
  • Thread Length: 14.0mm

16mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5482 Stainless Steel 11mm 5mm M5.0x0.8 16mm
  • Material: Stainless Steel
  • Head Diameter: 11mm
  • Head Length: 5mm
  • Male Thread: M5.0x0.8
  • Thread Length: 16mm

M6.0x1.0 Plain Thumb Screws

13mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5483 Stainless Steel 13mm 6mm M6.0x1.0 13mm
  • Material: Stainless Steel
  • Head Diameter: 13mm
  • Head Length: 6mm
  • Male Thread: M6.0x1.0
  • Thread Length: 13mm

14.0mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5484 Stainless Steel 13mm 6mm M6.0x1.0 14.0mm
  • Material: Stainless Steel
  • Head Diameter: 13mm
  • Head Length: 6mm
  • Male Thread: M6.0x1.0
  • Thread Length: 14.0mm

16mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5485 Stainless Steel 13mm 6mm M6.0x1.0 16mm
  • Material: Stainless Steel
  • Head Diameter: 13mm
  • Head Length: 6mm
  • Male Thread: M6.0x1.0
  • Thread Length: 16mm

18.0mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5486 Stainless Steel 13mm 6mm M6.0x1.0 18.0mm
  • Material: Stainless Steel
  • Head Diameter: 13mm
  • Head Length: 6mm
  • Male Thread: M6.0x1.0
  • Thread Length: 18.0mm

19mm

Part Number Material Head Diameter Head Length Male Thread Thread Length Details
SS5487 Stainless Steel 13mm 6mm M6.0x1.0 19mm
  • Material: Stainless Steel
  • Head Diameter: 13mm
  • Head Length: 6mm
  • Male Thread: M6.0x1.0
  • Thread Length: 19mm