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knife making question???????
cracker:
I'm making a knife out of one of those king size hack saw blades like goes in the motorized hack saw very good steel works great problem is when I get ready to drill holes in the tang for the pins the drill will barely make a scratch. The question is how do I drill it? I'm thinking about heating those spots red hot with a pencil torch and let them cool. We've done this at my shop to drill abrasion resistant plate that is bout 480 to 500 hardness and it works great how about on this stuff?
Thanks in advance. Ronnie
sailordad:
ronnie, ive had tht same problem on saw blade knife blanks ive made
i solved it exactly as your thinking ;)
its works well and if you clamp the blade in between two pieces of steel they will work as a heat sink
and the blade itself shouldnt loose any tempering either
cracker:
Thanks Sailordad we use that method on very hard plate but it aint this hard,Ronnie
lerxst:
Have you tried carbide bits?
Bevan R.:
for the last KITH, I went through 4 Tungsten bits and 3 dremal Tungstem Carbid cutters trying to punch holes through the edger blade steel I had used. I had not thought of pin heating the drill spots. Thanks Tim.
Bevan R
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