Alpen Drill Bits & Parts Metal twist drill bit 632484 - Alpen 92100450100, The Alpen 92100450100 is a high-performance HSS-E metal twist drill bit with a 4.5 mm diameter and a total length of 58 mm, featuring a cobalt composition for enhanced durability. Designed according to DIN 1897 standards, it includes a cylinder shank for precise drilling. Ideal for machining applications, it is suitable for drilling into metal, steel, and sheet metal. Alpen 92100450100 HSS-E Metal Twist Drill 4.5mm Cobalt DIN 1897
