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dhag 03-01-2009 06:57 PM

Carriage bolts and wood
Am I just a serious amateur or what? I am building bunk beds and plan to use carriage bolts. Do I just pound the square into the wood and hope it bites good? I guess I could just try it on some scraps. I'm using regular SPF lumber.

buletbob 03-01-2009 07:03 PM

with the proper hole for that particular bolt, it will start to grab when the bolt is being pulled in by the nut being tightened.

Scuba_Dave 03-01-2009 07:49 PM

When I built my picnic table I bought a washer that fits the square head of the bolt. It then had 2 cut outs that were perpendicular to the washer & would stick into the wood. This would stop the bolt from turning - but not if it was really soft wood or you applied too much force

Sort of like this

47_47 03-02-2009 07:51 AM

Just tap it into the hole to start seating the square, the nut will draw it in.

Added: For bunk beds, use acorn nuts or a forsner bit to make a recess for a regular nut, flat and lock washer.

shumakerscott 03-02-2009 01:30 PM

Scuba Dave has posted your answer. I would use them as recomended. Hey Scuba Dave, got a link to where to buy them? Dorf Dude...

Scuba_Dave 03-02-2009 01:50 PM

I've always bought them at Home Depot - big box DIY store
On my picnic table I also recessed the nuts on the opposite side
I bought bolts that ended up flush with the wood
Nice clean look, but I was dealing with 2x so I had room to recess

47_47 03-02-2009 02:02 PM


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