Product Description
1-1/8 in. S&D Black compound drilling bit
Milwaukee’s Thunderbolt® Silver & Deming drill bits are designed for performance in low to high durability materials, stainless-steel and forged iron. Thunderbolt® twist bit bits are made of premium industrial-grade steel with heavy cutting surfaces that power through deep or shallow holes with lightning speed. A special flute pure mathematics adds strength whereas providing enlarged chip ejection. Thunderbolt® twist bit bits have an important duty one hundred thirty five degree split purpose for simple penetration and a 1/2 in. reduced shank with three polished flats that stop slippage in a very jawed chuck. One per package.
