Milwaukee Red Helix 1/4 In. Cobalt Drill Bit Mechanic's Tools Lined stove boards are non-UL

Lined stove boards are non-UL listed ember protection stove boards

Thin Kerf metal cutting blades with Double Duty Upgrade feature optimized tooth design for longest life and increased speed

quickly penetrates metal up to 1/8"

1/4" Male NPT

Blade is taper-ground and polished to give it flexibility

Milwaukee Red Helix 1/4 In. Cobalt Drill Bit Mechanic's Tools Lined stove boards are non-ULMilwaukee 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 degree Helix Angle which ends at 15 degree, the Cobalt bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough