OldTools Archive

Recent Bios FAQ

264752 Thomas Johnson <drthjo@g...> 2018‑01‑18 Holdfast holes
Greetings one and all -
I have a pair of 5/8" diameter holdfasts that I am wanting to put to work.
I drilled a 5/8" diameter hold and tried to ream it out a bit with the 5/8"
bit but the bench is 4" thick at that point (hard maple) and I clearly am
going to have to open up the holes a bit.  So here's my question - what
size hole is recommended?  I'm clearly going to have to go on-line and buy
a 21/32 bit ... or 11/16"?  I'm cheap.  I don't want to but a 21/32 and
find out it's too small - or a 11/16 and find out it's too big.
Help :)

Tom

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Recent Bios FAQ