It has a large scraps discharge space, little resistance and smoothly during the scraps discharge. Use materials and fine grinding process makes bit more sharp cutting edge, reduce cutting force and broken drill, improve the quality of hole wall. Model # a14082700ux0306 Features: Product Name : PCB Drill Bit;Material : Tungsten Carbide Cutting Diameter : 0. 9mm / 0. 035";Cutting Depth : 10/ 0. 39" Shank Diameter : 3/ 0. 12";Total Length : 38/ 1. 5" Color : Silver Gray;Weight : 38g Package Content : 10 x PCB Drill Bits1 x Plastic Case.
