Alpen Drill Bits & Parts Twist drill bit 616392 - Alpen 0060100245100, The Alpen HSS Twist drill bit, model 0060100245100, features a 2.45 mm diameter with a total length of 57 mm and meets DIN 338 standards. Manufactured by Alpen, these drill bits are ideal for precision drilling in metal, steel, and sheet metal materials. Typical applications include various machining tasks, providing efficiency and accuracy. Alpen 0060100245100 Twist Drill Bit 2.45mm 57mm 10 Pcs For Steel & Alloys