There s no standard size for bench dogs but i ve found that 3 4 or 1 to be the most common size.
Workbench dog holes size. 3 4 dog hole bushing not required but highly recommended more below 3 4 auger bit more below crosscut saw drill and other assorted tools length of 2x4 some 3 4 plywood and other scraps. Using the pencil. Also be sure to measure the post of your holdfasts to determine the hole size and if you are unsure about the grip test bore some holes to determine if any counterbore. Downside is sawdust goes.
My dog hole days are over posted on april 8 2015 by jonathan since i seem to have broken just about all of the rules in building my workbench i plan on continuing that habit while drilling my dog holes. The length of the 2 4 will allow you to put holes anywhere you please on a benchtop. How long your dogs. This was one of the first real projects i made when i started my shop.
Cut dowel to length. Vice vise my workbench is not going to be amazing hard maple that is 4 thick with square dog holes we can save that bench for later perhaps. Click the image to download the pdf diagram to help you place your first dog holes. Diy bench dogs step 1.
Then bore dog holes in 6 increments from the center of the first hole until you run out of benchtop. For drilling the dog holes lee valley offers 3 4 07j02 48 33 and 20mm 07j16 20 35 drill bits that are 6 long overall with 3 5 8 of fluting enough to go through the jig and a 2 thick bench top. Now clamp the 2 4 on edge to your benchtop and use the plumb holes as an oversized doweling jig to guide your auger bit. The dowels will need to be cut down to size to make useful bench dogs.
If your entrance and exit holes both hit the mark the hole is plumb.