Engineered with a thick core to prevent side-load breakage, this Milwaukee Thunderbolt drill bit is ideal for drilling on curved surfaces. The parabolic flute design efficiently clears chips and debris to maintain cooler operating temperatures during use.

• Thunderbolt web design provides longer tool life and faster drilling speeds.
• Parabolic flute geometry clears chips and debris quickly to keep the bit cool.
• Durable black oxide construction ensures long-lasting performance.
• 135° split point allows for a precision start without walking.