Square Hole Drill Woodworking Tools Auger Mortising Chisel Drill Set

Drill Size Chart: What is this?? For those of you unfamiliar with mortising chisels, these will drill a square hole for you. What can it do for you?? Take your time and be sure to keep things well lubricated. The shaft space is milled perfectly with no play whatsoever. That means you will get a great hold alignment that is straight and clean. No doubt these people know how to make great tools.  Main Features Sharp -These square hole drill bits made of Carbon Steel, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. ? Our woodworking mortising chisel bits set Only use for the opening square hole and keyhole drill -- Square hole drill can not be used on an electric drill, a bench drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries