bisco industries Blog

What is a Thumb Screw?

Thumb Screw Description

Thumb screws are threaded fasteners with textured heads that allow them to be fastened and unfastened by hand. Thumb screws are typically used on low stress applications that require easy access. For example, thumb screws are often used to secure the side panel of desktop computer enclosures.  Thumb screws are manufactured in many different lengths, diameters, thread sizes, and materials. Thumb screw materials include aluminum, brass, nylon, steel, and stainless steel.

Leading Thumb Screw Manufacturers:

  • RAF Electronic Hardware
  • Accurate Screw Machine (ASM)
  • Essentra
  • Unicorp
  • Lyn-Tron
  • Keystone Electronics

Learn More About Thumb Screws

Helpful resources for configuring thumb screws include RAF’s thumb screw catalog and Lyn-Tron’s online thumb screw configurator.  For personal assistance finding thumb screws contact bisco industries’ product support team.

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