Tork Craft Drill Bit Set 19Pce Roll Forged Metal Case

19PC roll forged drill bit set Drill bits in the set: Ø1mm Ø1.5mm Ø2mm Ø2.5mm Ø3mm Ø3.5mm Ø4mm Ø4.5mm Ø5mm Ø5.5mm Ø6mm Ø6.5mm Ø7mm Ø7.5mm Ø8mm Ø8.5mm Ø9mm Ø9.5mm Ø10mm 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: Drill Doctor® 360X - Diameter range of 2.5mm - 13mm Drill Doctor® 500X - Diameter range of 2.4mm - 13mm (19mm accessory available) Drill Doctor® 750X - Diameter range of 2.4mm - 19mm DAREX® V390 - Diameter range of 3-19mm