Brownells - Screw Cut Off Fixture

Published on August 27, 2010
Duration: 1:32

This video demonstrates how to create a simple DIY fixture for accurately cutting off small screws to the correct length, a common task in gunsmithing. By drilling and tapping a piece of flat stock, users can create a secure holder that protects screw threads during grinding or filing, ensuring clean, usable threads. The presenter also mentions commercially available alternatives like the Brownells Screw Checker or Screw Gizzy.

Quick Summary

Create a DIY screw cut-off fixture by drilling and tapping a piece of flat stock to the screw's thread size. This jig securely holds small screws, protecting their threads while grinding or filing, ensuring a clean, usable result for gunsmithing tasks. Common thread sizes include 6-32, 6-40, 6-48, 8-32, and 8-40.

Chapters

  1. 00:01Problem: Cutting Small Screws
  2. 00:17Solution: DIY Cut-Off Fixture
  3. 00:28How to Use the Fixture
  4. 00:35Thread Protection Benefit
  5. 00:41Securing the Screw (Loctite)
  6. 00:51Versatile Applications (Vise/File)
  7. 00:59Making Multiple Fixtures
  8. 01:01Common Thread Sizes
  9. 01:14Commercial Alternatives

Frequently Asked Questions

How can I easily cut small screws to the correct length for gunsmithing?

You can create a DIY cut-off fixture by drilling and tapping a piece of flat stock to the screw's thread size. This fixture securely holds the screw, protecting its threads while you grind or file it to the desired length, preventing common issues like screws shooting out or thread damage.

What are the benefits of using a screw cut-off fixture?

A screw cut-off fixture provides a stable platform for holding small screws during cutting operations. It protects the delicate threads from damage and prevents the screw from being lost or ejected, ensuring a clean, usable result for precise firearm modifications or repairs.

What common thread sizes are useful for making a DIY screw cut-off fixture?

For general gunsmithing and firearm applications, it's highly beneficial to have fixtures tapped for common thread sizes such as 6-32, 6-40, 6-48, 8-32, and 8-40. This covers a wide range of screws used in firearm assembly and customization.

Can I use a DIY screw cut-off fixture with a file?

Yes, the DIY screw cut-off fixture is versatile. You can securely hold it in a vise, insert the screw, and then use a file to carefully trim it down to the exact length required. This method offers precise control for fine adjustments.

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