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3/16 inch since you are using a screw and you want the threads to catch the wood
if you meant lag bolt, make it 5/16 inch so the bolt will slide through
Wiki User
∙ 15y ago
Wiki User
∙ 11y agoIn most materials I would drill a 3/8 hole for this. It would have helped if you told us what material you are drilling for a better answer.
Wiki User
∙ 11y agoI would pre drill a 3/16 hole for 3/4 of the length of the lag bolt.
Wiki User
∙ 11y ago1/16 less than the diameter of screw, or the same diameter as the barrel (the part inside the threads)
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What size drill bit for 5-16 lag screw?
I use 1/4 drill bit for a 5/16 lag screw in most materials.
You want to install a 3 eights lag bolt into steel frame what size drill do you use?
quarter inch drill bit
What wood drill bit size would I use for one quarter inch diameter lag screw into 2 pieces 1 AND HALF inch width wood board?
A 3/16 drill bit.
What size pilot hole for 516 lag screw?
You should use a bit that is just a little bit smaller, but only drill the depth about 2/3 of the distance. This will allow solid penetration into the undrilled wood. 5/16 lags = 3/16 or 1/4 pilot drill bit.
What size drill do you use for a five sixteenth inch dia lag screw?
It depends on the material you are fitting it into. In most wood I pre-drill a 1/4 hole for this. In softer woods i would drill a smaller hole .
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