Steel Bearing Square Hole Drill Mortiser Drill Bit Set Woodworking Machine Hole Saw Drilling Hand Tools Woodworking Accessories (4pcs)

Overall Heat Treatment - Overall heat treatment, high hardness, long service life - U-shaped flute, easy to evacuate wood chips, improves drilling efficiency - Force is concentrated on a single plane and is effectively protected, which can prevent premature chipping Durable Universal Shank Type - Universal shank type, the drill bit shank adopts a round design for more stable clamping Wide Applicability - Wide application, suitable for square hole drills and square tenon machines Features: 1. Overall heat treatment, high hardness and long service life. 2. U-shaped chip flute, easily evacuates wood chips and improves drilling efficiency. 3. The power supply is enclosed in a plane and effectively protected, preventing premature bursting. 4. Universal shank type; the drill shank features a round design for more stable clamping. 5. Wide range of applications; suitable for square hole drills and square tenon machines. Specifications: Item Type: Square Hole Drill Bit Material: Bearing Steel Application: Suitable for wood products such as MDF, particleboard, wood, etc.; suitable for drilling square holes and square tenon machines. Specifications: 1/4", 5/16", 3/8", 1/2" Package List: Package includes 4 square hole drill bits. Note: Not suitable for metal, concrete, glass, or plasterboard.