5517 10.20MM Carbide SL Jobber/Twist Drill

Series 5517
For cast steels, grey cast iron, chilled cast iron, austenitic manganese steels, bronzes, light metals and non-ferrous metals. Also for economic machining of abrasive materials (AlSi-alloys), fibre-reinforced plastics and other Duroplastics that cause severe abrasion on cutting lips and lands. Made to BS 328, DIN338RN.