Specifications: Product series: PRO accessories Product text, accessories, grey: Pack of 1 pc. Gen. Packaging: Combined cardboard and plastic packaging, Tight Pack, with Euro hole Packaging: 1 Pc Diameter (D) mm: 7.00 Working length (L1) mm: 69 Processing materials (details): - Alloy/non-alloy steel - Grey cast iron - Steel/iron metal HSS PointTeQ twist drill bit enables fast drilling in metal Self-centering tip allows you to start drilling efficiently without the drill bit slipping Faster drilling reduces heat generation and drill wear Cylindrical chuck compatible with three-jaw drill chucks. ** Images are for illustrative purposes.