1911 bushings

rsjct

December 04, 2004 15:56

Hi,

Can anyone tell me what is the correct drill and tap size for installing the grip screw bushings on a 1911? Not oversize, but new install?

Comments

6 comments

rhmc24

December 05, 2004 04:27
Not standard sizes as far as I could tell. Some time back I had to make a tap when I got a new frame that had one of the holes without its thread. Went looking for it again and have since lost the tap.

Been there - done that!
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Der Gebirgsjager

December 05, 2004 06:49
Bushing tap is: .236"-60 Screw tap is: .150"-50
Above items available from Brownells as stock numbers 080-598-236, and 080-598-150 respectively.
Use a 7/32" tap drill for bushings, and a #31 tap drill for screws.
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nmyers

December 05, 2004 07:54
Yes, but.......don't you have to stake the bushings after installation?

Neal
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perry shooter

December 05, 2004 08:46
Hello brownell also has the tool for STAKING page 110 item#080-644-000
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rhmc24

December 05, 2004 10:40
They were originally staked but it is not necessary. I just screwed them in tight and they were OK. Had the grips off and on several times. Being a lot larger diameter than the screw threads they are not likely to loosen. You can also use 'Locktite' when you install them if you want.
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rsjct

December 05, 2004 13:52
Thanks to all for the information.
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