kwb Drill Bits & Parts Metal twist drill bit set 610504 - KWB 258819, The kwb 258819 HSS Metal Twist Drill Bit Set is a 19-piece collection made from high-speed steel, adhering to DIN 338 standards. It features a cylinder shank designed for precise drilling in metal and sheet metal. Typical applications include machining and other related metalwork tasks. kwb 258819 HSS Metal Twist Drill Set 19-piece M2 130° Point Angle