AASONS Square drill 1/2 AASONS Square Hole Drill Bit, 1/2 Inch Woodworking Mortiser Drill Bit,

Sharp - It is made of bearing steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. ?? Very cost-effective -- Mortise and tenon square hole drilled by SaferCCTV + outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries. ?? Only use for the opening square hole and keyhole drill -- Square hole drill can not be used on an electric drill,bench drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. ?? Drills precise holes with little pressure -- Using different specifications of the square hole drill, matching the appropriate power of the square hole machine. package include 1pc 1/2Inch(12.7mm) square mortise chisel & Bit.. Fits all mortising machines and drill press attachments,Square hole drill is mainly used for woodworking aspects.. With long drill core and square chisel, easy to lock the hole on the wood, then you can get different mortisers quickly. A one-time processing of a square hole, and crushed wood chips discharge from the tube, keep the edges are straight and clean