Dapetz ® HSS Jobber Drill Bit 10 Pieces 4mm R Roll Forged High Speed Steel Bits for Drilling Stainless Steel, Aluminum, Non ferrous Metals, Plastics, and Wood

PREMIUM STEEL CONSTRUCTION – Manufactured from roll-forged and hardened high-speed steel for superior strength, durability and long-lasting drilling performance in demanding applications. PRECISION DRILL POINT – Engineered to standards with a point angle for accurate positioning, reduced walking and clean professional quality holes. VERSATILE MULTI-MATERIAL DRILLING – Suitable for drilling steel, aluminum, non-ferrous metals, plastics, wood and other common materials, making it ideal for professional tradespeople and DIY users. BLACK OXIDE PROTECTIVE FINISH – Corrosion resistant black oxide coating helps reduce wear, prevent rust and extend the working life of the drill bit even in challenging conditions. OPTIMIZED FOR CONSISTENT RESULTS – Hardened jobber drill bit design delivers reliable performance and smooth drilling for best results in metal use a cooling agent and slower drilling speeds.