Engineered for extreme durability, the Milwaukee Thunderbolt Black Oxide drill bit set features a reinforced web to prevent side-load breakage. The 135° split point tip ensures a precision start without walking, while the parabolic flute design clears chips rapidly for efficient drilling through metal, wood, and PVC.

• Thunderbolt web design features a thicker core to provide ultimate strength and protect against side-load breakage.
• 135° split point tip delivers a precision start and prevents walking for fast, accurate holes.
• Parabolic flute form clears chips quickly to maintain high drilling speeds.
• 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck to reduce slipping.
• Black oxide coating provides enhanced lubricity and resists corrosion for long-lasting performance.
• Versatile application: effective for drilling on curved surfaces and through metal, wood, and PVC.
• Comprehensive 15-piece set includes sizes from 1/16 in. to 3/8 in. in a resilient carrying case.