Features: Precision-engineered premium drill bits with a cobalt content of 5% for increased wear resistance. Designed for high precision with excellent heat resistance, suitable for use in drill stands or column drilling machines. Ground according to DIN 338. Cylindrical shank, short, right-hand cutting. Medium-alloy high-speed steel. High toughness. Increased heat hardness and temper resistance up to 600°C. Application: Stainless steel, alloyed and high-strength alloy steels, non-ferrous metals and bronze up to 1,400 N/mm², gray cast iron, and hard plastics. STIER products are developed by professionals from trade and industry, combining high performance with ergonomics. Powerful. Durable. Long-lasting. Thousands of customers trust the best price-performance ratio. Experience the STIER product range for yourself.