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). Manufactured to DIN 338. Dimensionally precise. Drill Dia. mm: 2.5. Drill Dia. inch: N/A. Total Length mm: 57. Total Length inch: N/A. Working Length mm: 52. Working Length inch: N/A. Shank Dia. mm: 2.5. Shank Dia. inch: N/A. Shank Type: Straight. Material: M2 Grade HSS Steel. Suitable for use with alloy steel, cast iron, non-ferrous metals, and plastics.