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Posted: 9/15/2004 1:19:20 PM EDT
Has anyone ever helicoiled a lower's pistol grip bolt hole. I was wondering about this and was thinking it could be good, or it could be a solution for a problem that doesnt exist. Anyone have opinions?
Link Posted: 9/16/2004 8:17:43 PM EDT
Im not sure what your talking about but the pistol grip arrangement aint broke...dont fix it
Link Posted: 9/16/2004 8:19:19 PM EDT
Link Posted: 9/16/2004 8:19:33 PM EDT
i don't think they make a helicoil in that size... and then there's the question of why?
Link Posted: 9/16/2004 8:24:31 PM EDT
Maybe you can get a tap and chase the threads that may give you some thread for the screw to grip on to.
Link Posted: 9/17/2004 8:07:06 AM EDT
[Last Edit: 9/17/2004 8:09:46 AM EDT by SHIPSNIPE1]

Originally Posted By MrKasab:
Has anyone ever helicoiled a lower's pistol grip bolt hole. I was wondering about this and was thinking it could be good, or it could be a solution for a problem that doesnt exist. Anyone have opinions?


If you stripped the threads try using a longer 1/4x28tpi bolt. The hole on my Bushmaster is actually much deeper than is usually used, I don't know if this common.

If the hole isn't stripped there is no reason to use a helicoil.
Link Posted: 9/17/2004 8:52:03 AM EDT
Why not brush in some liquid weld and chase with a tap?
Is LW strong enough in the situation?
Link Posted: 9/17/2004 9:48:24 AM EDT

Originally Posted By fixer:
i don't think they make a helicoil in that size... and then there's the question of why?



They make a helicoil in just about every size you could think of. I would do that if I absolutely had to. Hardest thing to do would be to set it up in a drill press so that the helicoil goes in at the proper angle. Other than that, it is a piece of cake to install helicoils. I do a couple a year at work.
Link Posted: 9/17/2004 9:58:18 AM EDT
I would just take the hole out to the next largest size and tap it. The helicoil takes a larger hole, so if there's enough room for a helicoil, there's room for a larger bolt. I don't think the poster will ever see our answers anyway, since he does not have a " my active topics " option.
Link Posted: 9/17/2004 11:30:42 AM EDT
[Last Edit: 9/17/2004 11:41:28 AM EDT by Bosko]

Here are some Helicoil part numbers if you want to go that way.... 1/4 x 28 I THINK?...

They have three diffrent lengths .25", .375", .50".


Helicoil Part Numbers



Link Posted: 9/17/2004 11:42:11 AM EDT

... I don't think the poster will ever see our answers anyway, since he does not have a " my active topics " option.

If he started the thread it'll be in the "My Topics" list, which he does have.
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