Engineered with a parabolic flute design, this Milwaukee Thunderbolt drill bit clears chips and debris rapidly to maintain cool operating temperatures. The durable black oxide construction and thick core provide superior protection against side-load breakage, making it ideal for drilling on curved surfaces.

• Thunderbolt web design provides longer bit life and faster drilling speeds
• Parabolic flute geometry clears chips and debris quickly to keep the bit cool
• Durable black oxide construction offers enhanced longevity and wear resistance
• 135-degree split point ensures a precision start with no walking
• Thick core design provides superior protection against side-load breakage