Description:

Drill Bit Set: Drill bits: cutting edge diameter: 3.5mm / 0.14"; total length: 69mm / 2.7". Round rod: diameter: 18mm / 0.71", diameter accuracy: +/-0.008mm / 0.0003"; length: 150mm / 6". Package included: 5pcs x 3.5mm drill bits, 1pcs x 18mm round rod. Applications of Bit: Widely used for drilling stainless steel, aluminum alloy, iron, copper, wood and plastic. Suitable lubricant is conducive to cutting or cooling. Sharp spiral flutes provide neat and smooth cuts.. Applications of Rod: Widely used for processing milling cutters, sharp knives, gravers, punch press needles, bearings sleeve rods of machine tools, high hard ejector rods and center pins. The surface is smooth, easy to shape, no cracks formed.. Features: Sharp spiral flutes provide neat and smooth cuts. Spiral groove facilitates the export of metal chip, saving time and effort in operation. Steel Rods can be easy to cut and formed into replacement parts for almost anything..