1/8-inch Thunderbolt Cobalt Coated Drill Bit

Milwaukee Thunderbolt Cobalt drill bits are designed for extreme durability and long life in specialty applications. The Thunderbolt web features a thicker core than a standard drill bit, which provides ultimate strength and protects against side-load breakage. 135 Degree split point, precision start (no walking) Extended length for hard to reach areas Specialty bit for cast iron and stainless steel 3 Flat secure grip shank reduces bit slipping in chuck