Jack Rowe, Master Gunsmith Series, Turn Screw. Part 1 of 2.

Published on May 30, 2012
Duration: 9:10

This guide details the process of crafting custom turn screws for gunsmithing. It emphasizes using quality spring or tool steel, shaping the tip to precise dimensions for specific gun screws (historically 16 or 20 thousandths of an inch slot width), and tapering the shank for handle insertion. The video demonstrates using files for shaping, highlighting the importance of a well-fitting tool for preventing damage to firearm screws.

Quick Summary

In gunsmithing, 'turn screws' are specialized screwdrivers designed to precisely fit firearm screw slots, unlike standard screwdrivers. Many gunsmiths craft their own from spring or tool steel, tapering the end and shaping the tip to match specific screw dimensions, historically 16 or 20 thousandths of an inch for English gun screws.

Chapters

  1. 00:08Introduction to Turn Screws
  2. 00:14Buying vs. Making Turn Screws
  3. 00:37Converting Standard Screwdrivers
  4. 00:50Firearm Screw Slot Sizes
  5. 01:14Making Custom Turn Screws
  6. 01:45Materials for Turn Screws
  7. 01:51Shaping the Handle End
  8. 03:27Using an Ax for Shaping
  9. 04:54Filing the Turn Screw Tip
  10. 07:20Shaping the Working End
  11. 08:13Fitting to Specific Screws
  12. 08:34Contoured Screw Heads

Frequently Asked Questions

What are 'turn screws' in gunsmithing?

In gunsmithing, 'turn screws' are specialized screwdrivers designed to precisely fit the unique slot dimensions of firearm screws. They differ from standard screwdrivers, which often have slots too wide or too shallow, potentially damaging delicate gun components.

Why would a gunsmith make their own turn screws?

Many gunsmiths prefer to make their own turn screws because commercially available ones are often not strong enough, don't last long, or don't perfectly fit the specific screw slots found on firearms. Custom-made tools ensure a better fit and prevent damage.

What are the typical slot sizes for English gun screws?

Historically, English gun screws were commonly manufactured with two primary slot sizes: 16,000ths of an inch and 20,000ths of an inch. Custom turn screws are made to match these precise dimensions.

What materials are best for making custom gunsmithing turn screws?

The best materials for crafting durable turn screws are good quality spring steel or tool steel. These materials can be hardened and tempered to withstand the forces required for turning firearm screws without deforming.

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