In another life, I used to have to punch holes in heavy flat, Hi
Carbon springs for reassembly and repair when they were broken. I
was taught to use a small hard steel FLAT END punch of the right
diameter as the hole wanted. Another name for that type punch is
called a “Roll Pin Punch”. I expect that an old burr with the head
cut off would work. Do not draw the temper when you cut the head off.
Small short sections of hard spring tempered steel rod as available
at model hobby shops will work… This is available in 36 inch lengths
and are inexpensive. I expect a small silicon carbide wheel in your
flex shaft would work. I would try a 1/8 " (0.125") size first. A
wooden stick or 1/2" FLAT metal holder with a 1/8 " hole drilled
through it will hold the metal rod. THE ENDS OF THE ROD MUST BE
STRIGHT, FLAT, AND HARD.
The real trick is in using 24 inch sections of the hard seasoned
bottom sections of an old Oak wooden pallet. ( A pallet is a short
wooden platform that things are stacked on so a forklift can pick
them up, and its supported load, to load on to trucks.) these can be
had for the asking at place which uses trucks for shipping. Get one
piece and cut it up into 24" sections. Sitting on a chair with the
hard wood stick between your legs, you are ready Now place the
Titanium on the small cut end. This small wooden end is called the
end grain. Hit the short piece of spring steel or steel punch and it
will punch the hole. YOU WERE WEARING YOUR SAFETY GLASSES
RIGHT? YOU BETTER !!!
Use a 1 or 2 pound hammer to strike the 1/8 " rod. Flip over the
piece and flatten the slight dimpled side.
The first part is cheep, the second part is free. You can even do
this sitting down. You can’t beat that !!!
In a episode of Star Trek, Kirk and Spock are trapped in the past
and are forced to use primitive means to accomplish hi tech jobs.
Spock made a comment about having to use flint tools and bear skins.
Welcome to the New Neolithic !
ROBB. ( RETIRED OLD BABY BOOMER )