grip screw tap

mrerick · 09-26-2022, 10:15 AM

The grip screws use a "Whitworth" British thread profile. it changes the angle of the thread.

https://www.boltscience.com/pages/screw4.htm

https://www.practicalmachinist.com/f...screws.221376/

You will find the taps listed in a google search. Sometimes the taps are on Ebay.

Here is the fabrication specification for the screws (courtesy of John S.'s blueprint files):

G.T. · 09-27-2022, 01:41 PM

Hi to all, sadly, I have exhausted all those resources, and they either don't have, and are not going to have... or, they are too expensive, say as in $200.00 bucks!!!!

Soooo, if any one runs across one in the future, I'm your huckleberry! Best to all, til.....lat'r.....GT....

09-27-2022, 01:41 PM	#2
G.T. Lifer Lifetime Forum Patron Join Date: Jun 2002 Location: Chandler Arizona Posts: 3,541 Thanks: 1,342 Thanked 3,742 Times in 1,020 Posts	none to be had! Hi to all, sadly, I have exhausted all those resources, and they either don't have, and are not going to have... or, they are too expensive, say as in $200.00 bucks!!!! Soooo, if any one runs across one in the future, I'm your huckleberry! Best to all, til.....lat'r.....GT....