DeWALT DT492 Series HSS Twist Drill Bit for Metal, 4mm Diameter, 75 mm Overall

The DeWALT Metal Drill Bit is designed for longer life with 5% cobalt alloyed High Speed Steel. With a pilot point tip for easier penetration and cleaner holes, it is suitable for drilling high alloy content steels and metals with a tensile strength up to 1100N/mm².

Cobalt alloyed High Speed Steel for 4X longer life compared to standard HSS-R Metal Drill Bits
Pilot point tip prevents walking for easier penetration and cleaner, burr-free holes
Suitable for drilling high alloy content steels and metals up to 1100N/mm² tensile strength
No slip shank with spin-proof three sided shaft for optimal grip in drill chuck