Manufactured from HSS steel for increased life time. Suitable for drilling through holes in wood, plasterboard and metal channel. Manufactured according to DIN 7490 and conforming to the German Employer’s Liability Insurance Association in terms of safety requirements for the building trade. The body of the drill bit is attached to the cylindrical shank by means of a thread, therefore eliminating the risk of breakage and guaranteeing absolute concentricity. The small twist angle and enlarged flutes ensure rapid and clog-free chip removal. Made in Germany.