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3/8' Thumb Screw Bolts with Black Round Clamping Knob Plastic Hex Head 304 Stainless Steel 3/8'-16 Standard Coarse Thread, Rust Proof, Indoor/Outdoor (8 Pack, Length: 1')

4.3 (4) Write Review
Free shipping on orders over $29.99

$24.89

$ 11 .99 $11.99

In Stock

About this item

  • 18-8 Stainless Steel Thumb Screws – highly resistant to corrosion and rust, making them ideal for both indoor and outdoor use, even in harsh environments or areas exposed to moisture. Durable and long-lasting for secure fastening.
  • Clamping Knob Grip Dimensions. Width: 1 1/2" Thickness: 1/2" Has an ergonomic sturdy grip for fast adjustment without a wrench. Thermoplastic Cap does not interfere with thread length.
  • Acetyl Thermoplastic Thumb Screw Heads – hard, durable, and resistant to wear, chemicals, and moisture, offering a lightweight, non-conductive solution with easy, fast adjustments for a wide range of applications.
  • Versatile Thumb Screw Design – suitable for a wide range of applications, including machinery assembly, panel fastening, and DIY projects, ensuring easy installation and removal with just a simple twist.
  • Made in USA by a Family Owned Small Business. Feel free to contact us with any questions, or if there is an issue with any our products.


Product Description


S. Sulla
June 22, 2025
Husband bought these said it did what he needed them to do .
Old Dude
May 21, 2025
This size is a bit hard to find seems everyone wants 1/4 x 20. Knobs arrived on time excellent quality. Just what I needed for my project. Happy customer I'll be back!
Steve R Davis
April 17, 2025
I could not use it because the knob was way too small, I had to make a custom knob and a 1/2” longer treaded stud for my application
Doug M.
February 10, 2025
Worked perfectly for the project I was working on...
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