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Small .17 - 6mm Controlled Depth Tapered Reamer

K&M is proud to introduce an improvement to a long standing superb case mouth chamfering tool with a newly designed handle that provides improved depth stop fingers and a much needed set screw adjustment for precise cutter depth control.

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Model: CDTR17-6

Availability: In stock

$47.00

Details

Details

Small .17 - 6mm Controlled Depth Tapered Reamer

K&M is proud to introduce an improvement to a long standing superb case mouth chamfering tool with a newly designed handle that provides improved depth stop fingers and a much needed set screw adjustment for precise cutter depth control. We still incorporate the same great cutter selection that uses a 4 degree taper per side that yields the finest case mouth chamfer for bullet seating for the competitive benchrest shooter and the demanding sportsman alike. The small tool uses a 3 flute cutter that chamfers cartridges from .17 caliber up to 6mm. The large tool uses a 6 flute cutter that chamfers cartridges from 6mm to .338 caliber.

A great benefit to this new handle design is that it is backward compatible with your existing tapered reamer cutter. If you already own a tapered reamer with the old style handle, you can upgrade to the new handle design by purchasing the new handle assembly and simply move your cutter to the new handle.

Several years ago Bob Pease wrote in an article, “For years I have refused to use any of the conventional deburring tools on the market. The taper is far too abrupt to prepare the case mouth for the bullet to enter smoothly. This is a very critical point in the assembly of accurate cartridges. I once saw a big gun shooter pinch the nose of a hollow point bullet completely flat with a pair of pliers. It went right into his excellent ten shot group. Next he took a pocket knife and put a scratch on the heel of a bullet so small it could hardly be seen. That bullet went out of the group by over ½ inch. Later I demonstrated this on numerous occasions to other new shooters. One cannot emphasis enough the need for complete protection of the bullet heel and base.”




Tool Notes:

  1. Size your brass before using this tool to insure that the case mouth inside diameter is consistent and perfectly round.
  2. Loosen the thumb screw and use a small flat blade screw driver to adjust the set screw in the handle to move the cutter within the tool body. It is best to start with the cutter set so it is not touching the case mouth and begin inching it forward with the set screw until you just make contact with the case mouth, now advance the cutter forward until the desired chamfer depth is attained and tighten the thumb screw.
  3. Typical chamfer depth is .015”-.030”.
  4. The cutter is sharp so remove material gently until the stop fingers make contact with the case mouth. This usually only takes 2 or 3 revolutions between your thumb and fore finger.
  5. Bullet will now seat smoothly with its base unharmed.

Additional Info

Additional Info

SKU CDTR17-6
Cutter Type No
Pilot Type No

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