drill a hole in a knife blade?

Question

I carried a Buck knife for 10 years that had: a) light weight plastic handle b) folding c) locking d) belt clip e) one hand operation f) some serrations on blade

Then I lost it last week. They don't make them anymore. So I found a Buck 442 knife in new old stock on Ebay. But that knife has no thumb button on the blade.

I have put thumb buttons on blades that already have a button hole. I just screw two 4-40 nuts on an Allen head set screw and grind to fit.

So now I would want to drill a 1/8" hole in some kind of hard stainless blade is .120" thick.

Can I just buy a carbide drill

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a

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and drill a hole at 700 r.p.m with no coolant or cutting oil or annealing?

TIA

Steve W. · Accepted Answer

You could spot anneal and then drill. The easy way to do that would be to use a square cut section of drill rod the size of the hole you want. Then run it against the spot you want to drill. The friction will heat that spot and anneal it so you can drill it.

Wes · Answer

6000 rpm is more like it.  I'd spin as fast as I could, use a steady feed andnot rub itto death.  SS is prone to work hardening.Wes

Phil Kangas · Answer

grind to fit.hard stainless> or a>oil or annealing?Try this one instead:'ve had good luck with these and have several differentsizes on hand.Turn it slow with heavy feed and make sure it is held solid.Best donein a mill. I've drilled through easy-outs, ball bearings,bearing races,band saw blades etc etc.........so it should cut your knifeblade......IMHOphil

Winston · Answer

(...)Cole Drill!

Tom Gardner · Answer

Brand new carbide bit with lube, very slow rpm (hand brace speed) very high pressure.

Michael Koblic · Answer

You might want to search the archives of rec.knives. The same question was debated there some time ago. I do not remember the details. Or you can post there. The group has deteriorated due to idiotic trolls, but a few die-hard experienced knife makers still monitor and post there.

Martin H. Eastburn · Answer

Don't worry about the drill, it will last and can be red hot. The blade should be cut long before that. Yes cutting it in a pool of coolant and flood isn't a bad idea.

Good luck. I found the knife I lost - I turned my chair upside down for a second time - it was lodged within and finally fell out. I had no idea where it was.

Good luck!

Martin

Mart> I carried a Buck knife for 10 years that had:

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David Lesher · Answer

Are EDM machines still around?

RAMÂ³ · Answer

Clark Magnuson  wrote innews:e-SdnTW9lPIuvH3VnZ2dnUVZ     I've had good luck with cheap masonry bits when I only needed to do a few holes. (I convert old files into knives. )Center punch and drill at ~1200 RPM.What goes through un-annealed files should go through your blade.

kfvorwerk · Answer

Smokey mountain knives used to carry a thumb stud that clamped on witha screw. You might be able to find one or make one.Karl

Martin H. Eastburn · Answer

I wouldn't use a masonry bit - better than nothing.The design isn't for precision holes.  Just one in that cement...MartinMartin H. Eastburn@ home at Lions' Lair with our computer lionslair at consolidated dot netTSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.NRA Second Amendment Task Force Charter FounderIHMSA and NRA Metallic Silhouette maker & member.RAM³ wrote:----== Posted via  - Unlimited-Unrestricted-Secure Usenet News==---- The #1 Newsgroup Service in the World! >100,000 Newsgroups---= - Total Privacy via Encryption =---

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