How to Make a Flat-Top Checkering Cutter | MidwayUSA Gunsmithing

Published on June 19, 2013
Duration: 2:25

This video details the creation of a specialized flat-top checkering cutter, a tool essential for replicating historical firearm checkering patterns. It covers shaping a drill rod, precisely filing the tip to 0.015 inches, and cutting teeth using a 40 LPI file. The process culminates in fitting a handle and demonstrating the tool's effectiveness on a gunstock.

Quick Summary

A custom flat-top checkering cutter is made from 1/4 inch O1 drill rod, heated, bent to 90 degrees, and filed to a precise 0.015 inch tip thickness. Teeth are then cut using a 40 LPI metal checkering file, creating a tool for historical firearm checkering patterns.

Chapters

  1. 00:00Introduction to Flat-Top Checkering
  2. 00:44Shaping the Cutter Blank
  3. 01:11Filing the Tip and Teeth
  4. 01:47Final Assembly and Demonstration

Frequently Asked Questions

What material is used to make the flat-top checkering cutter?

The custom flat-top checkering cutter is made from a 1/4 inch O1 drill rod. The process involves heating and bending the rod, then precisely filing the tip and cutting teeth into the hardened edge.

What is the critical tip thickness for the checkering tool?

The cutting tip of the checkering tool must be filed to an exact thickness of 0.015 inches. This precise measurement is crucial for matching the dimensions of original stock grooves, such as those found on Parker shotguns.

How are the teeth cut into the checkering tool?

After shaping and hardening the tip, teeth are cut into the edge using a specialized 40 lines-per-inch (LPI) metal checkering file. This creates the cutting surface needed for checkering firearms.

What historical checkering style does this tool replicate?

This tool is designed to create flat-top diamond checkering, a style that was common on firearms during the 1870s. Examples were shown on vintage Westley Richards shotguns and a Swiss Vetterli rifle.

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