Engineered for extreme durability, the Milwaukee Thunderbolt pilot bit features a thickened web to prevent side-load breakage. The parabolic flute design clears debris rapidly to maintain cool drilling temperatures, while the 135° split point ensures precise, non-walking starts.

• Thunderbolt tapered web provides a thicker core for enhanced durability and resistance to side-load breakage
• 135° split point tip ensures a precision start to prevent walking and improve hole accuracy
• Parabolic flute design clears chips and debris quickly to keep the bit cool during use
• 3-flat shank prevents slipping in the arbor or chuck for consistent performance
• Optimized for use with portable drills and effective on curved surfaces