The MILWAUKEE THUNDERBOLT Black Oxide Drill Bit Set offers convenient, heavy-duty performance on the jobsite. Milwaukee drill bits are designed for extreme durability and long life, the THUNDERBOLT web features a thicker core than a standard drill bit to provide ultimate strength and protection against side-load breakage. The specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. The 135 split point tip delivers a precision start and prevents walking for fast, accurate holes. Black oxide drill bits are effective for drilling on curved surfaces, Milwaukee THUNDERBOLT Black Oxide Bits require less effort to drill through metal, wood and PVC, and are highly recommended for use with portable drills.

• Brand Name: Milwaukee
• Sub Brand: Thunderbolt
• Material: Black Oxide
• Product Type: Drill Bit Set
• Shank Type: 3-Flat Shank
• Number in Package: 21 pc
• Packaging Type: Clamshell
• Shank Diameter: 3/8 in.
• Finish: Black Oxide
• Black oxide coating provides lubricity and resists corrosion of the bit
• Extreme durability: Thicker web provides greater strength and longer life
• 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck for reduced slipping