DeWALT DT491 Series HSS Twist Drill Bit for Metal, 2.5mm Diameter, 57 mm Overall

The DeWALT EXTREME 2.5mm x 57mm HSS−E Cobalt Alloy Steel Metal Drill Bit offers longer life with 5% cobalt alloyed High-Speed Steel. It provides 4 times longer lifespan compared to standard HSS−R metal drill bits, with a pilot point tip for easy penetration and cleaner, burr-free holes. The versatile design is suitable for both portable and stationary drilling of high alloy content steels and metals.

Provides 4 times longer life compared to standard HSS−R metal drill bits
Pilot point tip for easy penetration and cleaner, burr-free holes
Suitable for portable or stationary drilling of high alloy content steels and metals
Spin-proof three-sided shaft for optimal grip in drill chuck