Recent content by Toolingtek

I came up with .0022 Sq In in the cross section of a 12 pitch thread, which required .242 HP @ 16 SFPM. Just seems much lower than what I had expected...

Like the title says, I need to run this tap on a quick repair project. I have a 20 HP Vert Okuma mill... Anyone know the answer?

I like your ideas but could never standardize a stubby 90 / 120 degree spot drill, half the operators would agree, the other half would not. The first group would try to undermine the second group & so on... I can't build Rome in a day but a good standard or rule of thumb I could reference on...

Currently specifying the C-Drill diameter/number & programming its depth based on the drill bit that will follow it. I try to use a C-Drill large enough to get a funneling action on the following drill bit... Say a #6 C-Drill for a ½” drill bit. Shop floor operators constantly want to run a...

Thanks, should have thought longer, long day. Yes shear / shearing action normal to C/L...Ultimate tensile measured through C/L.

When testing the shear strength of a automotive wheel stud fastner would the shear strength rating (128 KSI) be along the center axis. Is it a pull type test along the stud center line axis until it pulls in half?