Hardened steel, galvanized and yellow passivated, as well as Hostaflon coated, panhead with T-bit (hexalobular socket), sizes 3 mm T10, 3.5 mm T15, 4 and 4.5 mm T20, 5 mm T25. The use of SPRINT screws leads to significantly shorter screwing times compared to conventional screws. This noticeable advantage is achieved by the gripping tip with the 1st gear, which leads to the 2-start thread. Areas of application: wood, chipboard, plasterboard, plastic dowels.