Drill Bit HSS Drill Bit 135 Double Back Angle Design 38 Big Spiral Angle Design Wear Resistance For Industrial Use

Drill Bit HSS Drill Bit 135° Double Back Angle Design 38° Big Spiral Angle Design Wear Resistance for Industrial Use Specification: Features: Adopted of 9341 high-quality steel forging and head is treated by quenching which is high hardness and wear resistance 135° double back Angle design design makes cutting 38°big spiral Angle design increasing the chip cutting Standard 1/2 inch round shank for wide applicability With a sturdy box for safe organize and storage Multiple drilling diameter is available Specification: Name: 1/2-inch shank 9341 steel drill Material: 9341 steel Handle diameter: 1/2 inch Size: 14mm 14.5mm 15mm 15.5mmOptional Weight: Approx.117g~129g/4.1oz~4.6oz Package list: 1 x HSS Drill Bit with box