Milwaukee 31 63 quot Cobalt Red Helix Drill Bit
Milwaukee Cobalt RED HELIX Drill Bits are engineered for extreme durability and long life in hard metal applications Designed with a Variable Helix that includes an aggressive 35 176 Helix Angle which ends at 15 176 the Cobalt bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer The 135 176 split point tip delivers a precision start and