NEVER use these tools in a case with a “LIVE Primer”.
The new Premium flash hole tools have a carbide cutting head that allow the brass chips to free flow from the cutter which conditions both the diameter of the flash hole and chamfers the flash hole at the case web.
Available in 0.082”, 0.062” and 0.059” diameter cutting tips.
The tip of the tool has a gentle taper to help enter the flash hole and then condition the flash hole to a specific diameter.
Just as our “Professional” flash hole tool, the “Premium” tool chamfer cut depth is controlled from the case web. So once the tool bottoms on the case web the cutting action is done regardless of overall case length variation.
Insert the Premium for Manual Operation tool through the mouth of the case into the flash hole and grip the case with your hand while holding the brass centering cone in the case mouth to maintain the tool to the centerline of the cartridge. Rotate the tool handle with the other hand until you no longer feel the tool cutting. TAKE CARE as the cutting tip will protrude beyond the base of the cartridge.
When your tool is in storage wipe a light oil on the tool steel shaft.
I have a few of K&M’s Products and they are all top notch. This Premium Flash Hole Uniformer works great for deburring and uniforming the flash holes in my brass. This is the best one available.
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