drill bits for taping new threads

[kcombs9]

yeah I have a good press, thanks for the tips !

I'll have some results up soon

[kcombs9]

Update, check this thread out to see more.

http://automags.org/forums/showthread.php?t=256723

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[kcombs9]

Having trouble getting my lpr threads to seal, there are a few sharp edges from the angle of the hole that I'm going to try and file down cause it seems to just eat teflon tape no matter how much I put on, and lock tight worked better but still leaked.

Any other kind of sealant out there I can try?

[athomas]

If you can find a wire brush about the size of the hole, you can smooth the burrs or get rid of any metal pieces that hang on. You might want to run the tap through again as well. If any burrs have gotten pushed flat, they can be cut out with the tap.

[Pneumagger]

Having trouble getting my lpr threads to seal, there are a few sharp edges from the angle of the hole that I'm going to try and file down cause it seems to just eat teflon tape no matter how much I put on, and lock tight worked better but still leaked.

Any other kind of sealant out there I can try?

Lockite thread sealant. (not regular red or blu loctite)
Mcmaster and grainger should carry dozens of different kinds of locktite.

[kcombs9]

Lockite thread sealant. (not regular red or blu loctite)
Mcmaster and grainger should carry dozens of different kinds of locktite.

I tried some thread sealant, not loctite brand but was rated for I think 1200psi I'll check, but I think I used it wrong, didn't say how long I had to wait so I only let it set for 20min but still didn't seal. Ill try again tonight and let is set longer maybe.

[athomas]

The purple loctite is the high pressure sealant. The problem you will have with it, is if the thread surfaces are loose. This type of sealant is designed to fill tiny gaps in threads, not provide the actual seal for a loose thread.

[Pneumagger]

JB weld

[kcombs9]

JB weld

Funny you say that, just did that, I love that stuff.

Used on my return magnet hole after annoing the frame cause the hole had worn through, and on the trigger pin hole.

Also used it to fill the hole I drilled up at an angle where the asa is so I could drill a smaller hole and make it seal with the o ring.

Going to let the lpr set over night and test it out.

[kcombs9]

Well after couple attempts I got it to stop leaking.

I left the marker aired up over night at 2K psi at 11 pm, at 7am it was around 1.5K psi, is this a normal decrease over time?

Iv never left a marker aired up that long without shooting. I don't hear it leaking it could be in the pneumatics or just from hair line leak I can't hear, I could try dunking it in water see if I can find it but iv been messing with it for last 5 days I'm just happy I got it to this point I don't want to mess it up ;p

[Ando]

I'd call it good. Good job on the build.