Tork Craft Drill Bit Set 19 Piece Roll Forged Metal Case
Application: The drill bits are made from roll forged HSS (hi-speed steel) with the standard 118° point and can be used to drill into either metal or wood.
Sharpening: The drill bits are re-sharpenable several times. We recommend the following machines to sharpen the HSS drill bits:
360X - Diameter range of 2.5mm - 13mm
500X - Diameter range of 2.4mm - 13mm (19mm accessory available)