Milwaukee 48-89-2727 Thunderbolt Black Oxide Drill Bit, 21/64 In.

The Milwaukee Thunderbolt 48-89-2727 is a black oxide jobber-length drill bit built for extreme durability and long service life. Designed for general-purpose drilling in wood, metal, and PVC, this bit delivers the strength and precision needed for both portable and cordless drills. The black oxide coating adds lubricity to reduce friction and provides anti-corrosive protection, making it an excellent choice for demanding applications where tool life matters.

The Thunderbolt core features a thicker web than standard drill bits, giving you ultimate strength and protection against side-load breakage. Whether you're drilling on flat surfaces or curved materials, this bit reduces walking and delivers fast, accurate starts.

Features and Benefits

• Thicker Thunderbolt Web: Provides ultimate strength and resists breakage under side-load stress, extending bit life.
• Black Oxide Coating: Reduces friction, adds lubricity, and offers anti-corrosive protection for long-lasting performance.
• 135 Degree Split Point Tip: Delivers precision starts without walking, enabling fast and accurate holes in wood, metal, and PVC.
• Parabolic Flute Design: Clears chips fast for efficient drilling performance.
• 3-Flat Secure-Grip Shank: Holds the bit firmly in the drill chuck, preventing slippage and improving control.
• Jobber Length: Versatile length for general-purpose drilling on curved and flat surfaces alike.

Specifications

• Brand: Milwaukee
• Model: 48-89-2727
• Diameter: 21/64 inch
• Overall Length: 4-5/8 inch
• Type: Jobber bit
• Flute Form: Parabolic
• Shank Style: 3-flat Secure-Grip
• Tip Style: 135 degree split point
• Coating: Black oxide