The Milwaukee Thunderbolt black oxide drill bit is a versatile, durable jobber-length bit engineered for general-purpose drilling in wood, metal, and PVC. The black oxide coating provides corrosion resistance and reduces friction, making drilling easier and extending bit life. Whether you’re using a cordless drill, hand drill, or other portable power tools, this bit delivers reliable performance for fast, accurate holes.
Designed with a thicker web core than standard drill bits, the Thunderbolt resists side-load breakage and maintains stability under pressure. The 135-degree split point tip starts quickly and precisely without walking or skidding, even on curved surfaces. Parabolic flute geometry clears chips rapidly to prevent clogging, while the 3-flat Secure-Grip shank grips firmly in the chuck to prevent slipping.
Features and Benefits
- Black Oxide Coating: Reduces friction and corrosion for smoother drilling and longer tool life.
- Thicker Core Design: The reinforced web provides superior strength and resists breaking under side loads.
- 135-Degree Split Point: Delivers precise starts and eliminates walking for fast, accurate holes.
- Parabolic Flute Form: Clears chips rapidly to prevent clogging.
- 3-Flat Secure-Grip Shank: Holds firmly in the drill chuck without slipping during operation.
- Multi-Material Capability: Performs reliably on wood, metal, and PVC with less effort required.
Specifications
- Brand: Milwaukee
- Model: 48-89-2733
- Bit Type: Jobber length
- Diameter: 27/64 in
- Overall Length: 5-3/8 in
- Shank Diameter: 3/8 in
- Coating: Black oxide
- Tip Angle: 135 degrees split point
- Flute Design: Parabolic
