Knurled Hex Socket Head Thumb Screws

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Knurled Hex Socket Head Thumb Screws are used to fasten safety covers on electronics and other devices and are installed by twisting the fastener into predrilled tapped holes. They feature a shoulderless stainless steel threaded body with a knurled hex socket head.
 
The durable and corrosion-resistant construction of knurled stainless-steel thumb screws makes them suitable for indoor, outdoor and heavy-duty applications. They are highly versatile and can be installed with or without a washer, depending on the application. Using a washer provides a stronger hold that keeps the SS thumb screw in place, even if vibration causes the screw or bolt to loosen. 
 
Some of the common uses for knurled head fasteners include:
  • Equipment covers
  • Electronic devices
  • Communications equipment
  • Lighting
  • Machinery
  • And more
 

Stainless Steel Knurled Hex Socket Head Screws

Knurled hex socket head stainless steel thumbscrews are available with thread lengths up to 1-1/4-inch, head diameters up to 3/8 inch and head heights up to 1/2 inch. Choose from a 25/32-inch, 15/16 inch, or 1/8-inch hex socket. Thread sizes range from #4-40 to #10-32 Download the product specifications PDF to see a complete listing of sizes.
 
Use the product filters on this page to find the right fastener based on your size and style requirements. If you need SS thumb screws in metric or custom sizes, contact us to discuss your requirements
 

Selection Criteria for Stainless Steel Thumb Screws

Both fastener styles are easy to tighten and loosen, making them ideal for applications requiring frequent fastener removal and reinstallation. The decision for a hex socket head screw depends on preference and your application requirements.

Hex socket head thumb screws have a raised head that makes them easier to grip and they can be fastened tighter than a plain head thumb screw.
 
Dimensions are also an important consideration to ensure a tight fit and secure hold. Size considerations for selecting a shoulderless thumbscrew fastener include:
  • Head diameter
  • Head height
  • Thread
  • Thread length
  • Hex width (hex socket head thumbscrews only

Request a Quote for Stainless Steel Thumb Screws

We offer knurled head stainless steel thumb screws and plastic head thumb screws in several standard sizes. If you require a custom or modified product, please contact us with your specifications.
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216 North Main Street
Freeport, New York 11520

Phone: 888 260-7466