Sinclair Generation 2 Flash Hole Deburring Tool with Handle

The Latest version of the Sinclair flash hole deburring tool features stainless steel construction and chip clearance slots which alleviate the tendency of the tool to collect chips in the end of the cutting shaft. This tool is inserted in the case mouth and uses the web of the case as a safety stop. A couple of turns will remove any burrs and leave a small chamfer on the inside edge of the flash hole.

Flash hole deburring is a one-time operation. Since variations of case length do not affect the use of this tool, flash hole deburring is most easily performed on brand new brass without trimming. 

This tool is available as the 05-1000 standard Generation II flash hole tool which consists of the cutting shaft and the tapered guide found here.