Abracs BSDB16513 Blacksmith Drill Bit suitable for use in non-ferrous metal, steel and cast iron  The Abracs BSDB16513 is a 16.5mm diameter HSS Drill Bit measuring 184mm long, with a 125mm working length and 13mm Shank. High-Speed Steel (HSS) is the most commonly used alloy steel for metal drill bits, featuring a high level of hardness. The Abracs Blacksmith Drill Bit Range has large diameter with smaller shanks sizes to enable use in standard chucks. Suitable for use in steel, cast iron and non-ferrous metals. Features: Manufactured from High-Speed Steel Designed to enhance productivity Long life, speed and efficiency Blacksmith range covers diameters from 13mm to 25mm Specification: Part number: BSDB16513 Diameter: 16.5mm Overall length: 184mm Working length: 125mm Shank: 13mm