Thumb Screws

MRO Hardware is your source for thumb screws. Available in multiple sizes, threads, and finishes; we have the fasteners you need in stock and ready to ship. Thumb screws are often times used in furniture assembly, industrial machinery, and photography and lighting.

Thumb screws are a unique category of fasteners designed for easy, tool-free adjustment. These screws, equipped with a knurled or winged head, allow users to tighten or loosen them by hand, making them ideal for applications requiring frequent adjustments. Thumb screws are popular in various industries due to their convenience and versatility.

Our inventory grows regularly, so if you don’t see the thumb screw you need or are unsure what thumb screw fastener is right for your application, give us a call at 1-800-783-0910.

Showing 25–36 of 166 results

Item Name
Finish
Length
Material
Shoulder Diameter
Thread
Price

1/4-20 Thumb Screws (1416TSS)
Zinc
1
Low Carbon Steel
0.43
1/4
--
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1/4-20 Thumb Screws (1416TSS188)
None
1
Stainless Steel
0.43
1/4
--
View Product
1/4-20 Thumb Screws (1420TS)
Zinc
1.25
Low Carbon Steel
--
1/4
--
View Product
1/4-20 Thumb Screws (1420TSS)
Zinc
1.25
Low Carbon Steel
0.43
1/4
--
View Product
1/4-20 Thumb Screws (1424TS)
Zinc
1.5
Low Carbon Steel
--
1/4
--
View Product
1/4-20 Thumb Screws (1424TS188)
None
1.5
Stainless Steel
--
1/4
--
View Product
1/4-20 Thumb Screws (1424TSS)
Zinc
1.5
Low Carbon Steel
0.43
1/4
--
View Product
1/4-20 Thumb Screws (1424TSS188)
None
1.5
Stainless Steel
0.43
1/4
--
View Product
1/4-20 Thumb Screws (1428TS)
Zinc
1.75
Low Carbon Steel
--
1/4
--
View Product
1/4-20 Thumb Screws (1428TSS)
Zinc
1.75
Low Carbon Steel
0.43
1/4
--
View Product
1/4-20 Thumb Screws (1432TS)
Zinc
2
Low Carbon Steel
--
1/4
--
View Product
1/4-20 Thumb Screws (1432TS188)
None
2
Stainless Steel
--
1/4
--
View Product

MRO Hardware

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Thumb Screws

1/4-20 Thumb Screws (1416TSS)

1/4-20 Thumb Screws (1416TSS188)

1/4-20 Thumb Screws (1420TS)

1/4-20 Thumb Screws (1420TSS)

1/4-20 Thumb Screws (1424TS)

1/4-20 Thumb Screws (1424TS188)

1/4-20 Thumb Screws (1424TSS)

1/4-20 Thumb Screws (1424TSS188)

1/4-20 Thumb Screws (1428TS)

1/4-20 Thumb Screws (1428TSS)

1/4-20 Thumb Screws (1432TS)

1/4-20 Thumb Screws (1432TS188)

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