4Pcs Square Hole Drill Bit Set, Mortise Chisel Set 1/4 5/16 3/8 1/2 Inch for Mortiser Wood Mortising Chisel Drill Bit Hollow Chisel Mortise and Tenon Drill Tools
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Easy to Drill:Woodworking square hole drill bits, wood mortising chisel set design u‑shaped chip grooves, facilitate the discharge of wood chips and improve drilling efficiency
4 Sizes:These Square Hole Drill Bit Set include 1/4inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm) 4 different diamater sizes drill bit
Wide Application:These 4pcs Square Hole Mortise Chisel Drill Bit Tools suitable for square hole drills and square tenon machines.Not for hand drill and bench drill
Premium Steel Square Drill Bit Adapter:Square drill bits for woodworking, made of premium steel, with overall heat treatment, making it has high hardness and long service life. The force is in a plane, which is effectively protected and can avoid the situation of bursting at the beginning
Universal Round Shank:Universal shank type woodworking square hole drill bits, the drill tail adopts a roun designed, which makes the clamping more stable. An essential tool for woodworker