chamfering under power

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SSN Vet

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Can any one out there tell me if the Wilson, Lyman or RCBS chamfer tools can be used reliably in a 5/8 drill press chuck?

Or do I have to get a power tool adaptor like the Possum Hollow?
 
I made my own adapter many, many years ago. Now they make one just like the one I made. It's just a sleeve that takes a Wilson chamfering tool inside it and holds it in place with a set screw, and is tapered to a 3/8" shank that I put in a horizontally mounted hand drill that is a permanent fixture on my bench.

Hope this helps.

Fred
 
If you spend $35 for the Lyman Power Accessory Kit, you'll get tools intended to be used in a cordless screwdriver. They work just fine in a drill press, too.
 
Well, the point is that I don't want to drop 35 bills on chamfering mil. crimps if I don't have to. I'm not processing thousands of mil. surp. cases, so theirs not a lot of benefit in me dropping significant money to do so. I can swing the $8 on a good reaming tool, but don't want to drop an additional 4x that amount to adapt it for power use.

I have a drill press sitting in my shop with a 5/8 chuck on it, so I don't need to taper down to 1/4" or even 3/8".

My question has more to do with "what is the diameter of the Wilson, RCBS or Lyman case trimmer?"

and ...

if the diameter is <5/8", can it be held in a chuck without the cutting edges getting in the way?
 
My old Wilson chamfer/deburring tool measure right on the money at .625".

It fits nicely in my Craftsman 5/8" drill press chuck with all the cutting surfaces sticking out, on either end.

rcmodel
 
If you're cutting primer pocket crimps, go buy a countersink at Home Depot. It's already set up for power and will do the job quite nicely for a lot less money than anything purpose-built. You can even use it to countersink screw holes when you're done!
 
I have the Forster chamfer/debur tool (large) and it would never fit in my drill's chuck, so I use the Possum Hollow power adapter with it. I bought it originally to work the the PH Kwik trimmer and was glad to find out it could do double duty. Works excellently.
 
clarification...

I'm looking to ream mil. crimps out of .223 brass in modest volumes (100 cases at a time, a couple times a year at best)

I have countersinks for wood working but was hoping for a more precise cut as I don't want to remove to much material.

The Wilson cutter I'm spying looks like it indexes off of the bottom of the primer pocket.....like a depth stop.

If I can chuck it directly in my drill press, it will be ~$10 well spent.
 
For that purpose, I use the RCBS Primer Pocket Swager. It doesn't remove any metal and has been working for me for about 30 years. Prior to that, I used to chamfer the primer pockets, but now prefer swaging them instead.

Hope this helps.

Fred
 
+1

Swaging is the much preferred method IMO:

I used to trim crimps with a countersink years ago, and was always a little concerned about the amount of primer support it was necessary to remove from some cases to get it all out.

I now use RCBS swagers on everything.

I do have a a pair of Lg & Sm Lyman reamers laying on the bench that get used occasionally if I run into a stubborn case.

They work quite well, and unlike a countersink, they leave a rounded edge on the primer pocket and remove very little metal to get all the crimp.

http://www.midwayusa.com/Eproductpage.Exe/showproduct?saleitemid=682934

rcmodel
 
SSN Vet said:
Can any one out there tell me if the Wilson, Lyman or RCBS chamfer tools can be used reliably in a 5/8 drill press chuck?
Click to expand...
Yes, and I use my small mill to run my cutters. Use the slowest speed possible, lock your quill and simply lightly press your case mouth upward against the cutter. Easy way to do hundreds of cases with minimum hand fatigue.
 
I would recommend swaging as well but, if your going to use the chamfer method, I would go with this one and buy an adapter at your local hardware store to run it in drill press. It is adjustable as to not remove to much material when being used. I done hundreds of 308 berdan cases with it, because it leaves the anvil unblemished.

$13.00 ( berrys )



RCBS-Military-Crimp.jpg
 
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