Installing Pillars in a stock

jrock

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Mar 12, 2014
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No jig is required if you are just reaming out the existing holes. If you are worried about too much slop, you can enlarge the holes with smaller drill bits until you get the size you want. You will have to oversize slightly to make room for the epoxy. The hole in your pillars should be big enough to prevent contact with the action screws.
 

MNbogboy

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Jul 14, 2009
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Northern MN
When you drill for pillars, do you use a jig or can they be free handed ok and trued up when epoxied into place?
Using "stud" bolts in the action that are wrapped with tape to just fit into the pillars, will center the oversize holes in the pillars so that the action screws will also center up nicely.
 

Mram10us

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I do it with regular action screws with release. Definitely oversize the holes so the epoxy has plenty to grab. Even considered running a pipe tap in the holes for a better surface, but never done it.
 

tobnpr

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May 30, 2013
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Correct way to do this is a piloted counterbore- and it will run true enough by hand in a drill (due to the pilot) for good results.

Select a snug-fitting pilot to match the size of the holes for the action screws, and the counterbore slightly oversize of the pillar OD to allow room for epoxy.

Best to drill most of the way through from the top, then flip the stock over and finish from the bottom to avoid splitting the bottom wood/fiberglass when running all the way through from the top.

 

nksmfamjp

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Jan 5, 2004
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1,149
Correct way to do this is a piloted counterbore- and it will run true enough by hand in a drill (due to the pilot) for good results.

Select a snug-fitting pilot to match the size of the holes for the action screws, and the counterbore slightly oversize of the pillar OD to allow room for epoxy.

Best to drill most of the way through from the top, then flip the stock over and finish from the bottom to avoid splitting the bottom wood/fiberglass when running all the way through from the top.

Thanks. That link is worth a lot.....never seen those before.
 

MNbogboy

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Jul 14, 2009
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860
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Northern MN
I do it with regular action screws with release. Definitely oversize the holes so the epoxy has plenty to grab. Even considered running a pipe tap in the holes for a better surface, but never done it.
I have actually use lamp nipples for pillars and tapped wood stocks to fit the nipple thread (1/8 NPT). When tapped clear through the threads are loose enough to allow for the epoxy.
 

Mram10us

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Oct 19, 2019
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Idaho
I have actually use lamp nipples for pillars and tapped wood stocks to fit the nipple thread (1/8 NPT). When tapped clear through the threads are loose enough to allow for the epoxy.
Interesting. Always learning other ways here
 

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