Manufactured from a high grade M2 tool steel. This durable engineering quality drill will give a consistent rapid performance into all non-alloy materials. Fully ground from solid material High grade M2 alloyed High Speed Steel (HSS) Dimensionally precise Manufactured to DIN 338 135 Split point" Drill Dia. mm: 1.0: 10.0 Total Length mm: N/A Working Length mm: N/A Shank Dia. mm: N/A Shank Type: Straight Material: M2 Grade HSS Steel Timco - Ground Jobber Drill Bit Set (Size 10pcs - 10 Pieces) in Silver