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October 11, 2012, 04:39 PM | #1 |
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using a counter sink to remove the military crimp?
Someone posted in a thread that a counter sink works well for swaging primer pockets, but I can't find the post or recall what size counter sink they said worked qwell.
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October 11, 2012, 05:03 PM | #2 |
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I don't think the size matters. They are all the same angle and will cut the crimp the same.
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October 11, 2012, 05:40 PM | #3 |
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I tried a 3/4 inch countersink and it seems it doesn't go in far enough to get all the crimp. I am thinking maybe a 1/2 inch one might go in the primer hole a little further and get all the crimp ?
I was hoping someone that does the crimps this way could answer with what size they use and works for them. |
October 11, 2012, 06:22 PM | #4 |
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before I had an actual primer pocket swager, I used a 2 rod system that I called my redneck swager.
one rod went through the neck of the case and was long enough to touch the bottom of the case and stuck out a few inches, this end went in the vice. The other rod was just a cold steel punch that I ground by hand on a benchtop grinder to be the right size, it was also tapered because all I wanted to do is remove the crimp at the base not resize the pocket. I just put the one rod in in a vice stuck a case on it and lightly tapped the other rod into the primer pocket with a small hammer, crimp removed.
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October 11, 2012, 06:33 PM | #5 |
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I just chuck my case mouth chamfer tool in a drill.
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October 11, 2012, 07:09 PM | #6 | |
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Quote:
Maybe I have way more to do than most, but I wouldn't ever consider using anything but a swage tool for crimped or "tight" primer pockets (like S&B). I much prefer to reform rather that just cut the ridge from the crimp. YMMV |
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October 11, 2012, 07:53 PM | #7 |
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The diameter of a counter sink cutter hardly matters, as mentioned above they are generally ground with one of two common angles, neither of which is very good for crimp removal.
Lyman (maybe others) sells a proper crimp remover cutting tool for a modest price. Get one, chuck the cutter in a drill motor and use that. |
October 11, 2012, 08:18 PM | #8 |
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If you have a lot of brass to swage, the Dillon swager is the cat's meow.
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October 11, 2012, 08:57 PM | #9 |
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Swaging is forcing the material away/back with a rod or nipple RSBS and Dillon have several swaging tools. Reaming and chamfering will cut it away with a sharp edge. Countersink bits will ream as will reamers from Lyman or a normal chamfering tool (slowest way)
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October 12, 2012, 04:17 AM | #10 |
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I was buying a Lyman VLD case chamfering tool from a fellow at a gun show,he told me they work well for removing crimps.Have not tried it.
If you expect to do a lot of them,the Dillon swage is hard to beat. |
October 12, 2012, 06:01 AM | #11 | |
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Quote:
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October 12, 2012, 08:26 AM | #12 |
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This question comes up quite often and I don't understand why. There is a little reloading tool just for this job. Stick in, twist and you are done. I have done thousands. Not a big deal.
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October 12, 2012, 08:49 AM | #13 |
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Uniformer & Reamer are Different. Large & Small sizes
Large http://www.midwayusa.com/product/682...mer-tool-large See Suggested Products on the same page for what you want to do. Countersinks are common in 60 & 82 degree, but come in others.
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October 12, 2012, 09:08 AM | #14 |
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I used to ream, but I decided the Dillion primer pocket swager was faster and the pocket opening was more even.
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October 13, 2012, 04:54 PM | #15 |
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The Dillon is the best. I used a 1/2" countersink bit for a while. You could go smaller. But I strongly recommend getting the Dillon. Just get it and be done with it. Like all Dillon products - lifetime warranty.
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