Round Vs Square Bench Dogs. I've always liked round holes, and they've worked well over the years. In the debate of round bench dogs vs. Square holes are often made by cutting dados before glue up, and round ones don't have to be aligned with a joint.
Round dogs are easier to retrofit to a workbench than square ones.
Because the mortises are angled slightly toward the vise, retrofitting rectangular dogs can be a complex process. Although called square, they are not square in any dimension. These bench dogs are perfect for what they were meant to do: Featuring a spring steel wire that allows for height adjustment. Because the mortises are angled slightly toward the vise, retrofitting rectangular dogs can be a complex process. Both round and square bench dogs will hold effectively. Round dogs are easier to retrofit to a workbench than square ones. In general, i like to bore as few as possible.