General description HSS roll forged blacksmith drill bit with a reduced shank, designed for use with a standard chuck. The drill features a black oxide finish and a working length of 155mm. It is supplied in a plastic wallet. Technical specifications Dimensions: 22.5 x 220 mm Working length: 155 mm Material: HSS (High-Speed Steel) Finish: Black oxide MPN: BSB22.5 EAN: 5055111209748 Other information