The Berner 130748 HSS-Co TopSilver 338SP is a high-performance 25-piece drill bit set designed for demanding drilling applications. Conforming to DIN 338, these drill bits are made from HSS-Co (5% cobalt) and feature a durable TopSilver coating. The 135° point angle with cross-ground point ensures excellent centering and efficient drilling in high-alloy steels, stainless steel, cast iron, non-ferrous metals, and plastics. The set includes drill bits from 1.0 mm to 13.0 mm in 0.5 mm increments, supplied in a robust cassette for organized storage.