Description of π§ Meihejia Mortise Chisel Square Drill Set
Professional wood mortise chisel bit set for square holes. Includes 4 sizes: 1/4, 5/16, 3/8, 1/2 inch (6.35, 7.94, 9.5, 12.7mm). Fits all mortising machines such as PowerMatic Mortiser etc. Note: If use it on drill press, it needed a Mortise Attachment (Not Included). The mortise chisel bit set worked well in making mortise, even the harder materials such as white & red oak. One-time drilling a square hole, and the broken slag dust can be discharged from the tube. Made of high-speed steel, heat treatment, high hardness, lengthened core, high concentricity.