The DeWALT EXTREME 8.5mm x 117mm HSS-E Cobalt Alloy Steel Metal Drill Bit provides a longer life with its 5% cobalt alloyed High Speed Steel construction. It offers 4 times longer life compared to standard HSS-R Metal Drill Bits and features a pilot point tip for easier penetration of surfaces. The drill bit is versatile, suitable for high alloy content steels and metals with a tensile strength up to 1100N/mm². 5% cobalt alloyed High Speed Steel for longer life
Pilot point tip for easy penetration of surfaces
4X longer life versus standard HSS-R Metal Drill Bits
Suitable for drilling high alloy content steels and metals up to 1100N/mm² tensile strength
Spin proof three-sided shaft for optimal grip in drill chuck