Best glue

SuperCub

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What's the best glue for fixing a clean break on a walnut stock. I have a small chip out of the part behind the bolt handle on a 700 stock.




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There are cyanoacrilates - superglues - specifically designed for gluing wood. Check Lee Valley's or Brownells' offerings. IF a wood repair is done very carefully, it can be close to undetectable. Badly done it can stand out like a sore thumb.
 
SuperCub said:
What's the best glue for fixing a clean break on a walnut stock. I have a small chip out of the part behind the bolt handle on a 700 stock.




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Any glue will work well but the part needs to be clamped exactly in place (heavy rubber bands work well sometimes) with the excess glue forced out of the joint or the repair will be quite noticable. Then bolt handle clearance should be done, and a light sanding with 600 grit wet paper and a bit of stock finish should hide it real well.
 
If the chip fits nice use some carpenter's glue.
push it together wipe the squeeze out off with a wet cloth
and wrap it with surgical cord if it's hard to clamp.
 
Gorilla glue expands when it cures so it needs to be well clamped to keep things tight.

It works really well when you've got a sloppy joint as it will expand and bridge gaps.

Regular wood glue is plenty strong and won't push apart as it cures.
 
I used polyurethane (Gorilla type) glue when I laminated up the birch plywood to make the target rifle stock. Clamping is really important if a wide glue line is to be avoided.
Another consideration - worth an experiment - is if the glue used will take a stain if necessary.
 
I used the "Hot Stuff" cyanoacrylate from CA Glues (bought at Lee Valley Tools) to repair a hairline crack in the wrist of my Marlin 1895. The crack was too small for a thicker glue; Hot Stuff is the consistency of water. (The other CA glues, like Super T, are thicker if more gap-filling is necessary.)

I put a little lacquer thinner in the crack first to deal with any oils, wicking it out with a bit of cloth. The stuff sets up FAST, though, so don't muck about!

I believe epoxies, such as AcraGlass, can be thinned (with acetone??- I'm not sure) but I you have to be careful not to "break the back" of the glue by thinning too much.

:) Stuart
 
An inner tube can be spirally cut into long slices for wrapping repairs. Or, you can buy brown surgical rubber tubing.
 
Clamping:

Black electrical tape just keeps pulling, great for odd surfaces. Depending on what you're doing a layer of plastic food wrap first keeps the tape glue off or put the tape on upside down since you over lap lots anyways, but it will slide if at an angle. Car wax on the wrap keeps glue from sticking to it.

Mike
 
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