Drill bit made of high-quality 40cr alloy steel (metal structural part) and YG8C tungsten carbide (drilling tip) with a cutting edge hardness of 88hrc (+/- 2) and a point angle of 130 degrees. - Heat treatment and sandblasting of the surface reduces drill wear and increases resistance to internal stresses occurring during operation. - Designed for industrial use in drills and hammer drills with SDS PLUS or dual-channel mounting, for drilling in masonry, concrete, granite and other natural stone. - In accordance with DIN-8035 Dimensions: d: (diameter) 8 mm. l1: (total length) 400 mm. l2: (working length) 330 mm. d2: (clamping diameter) 10 mm. Specification: mounting: SDS PLUS blade hardness: 88hrc (+/- 2) in accordance with DIN-8035 EAN: 5900171482580