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Milwaukee 31/64" THUNDERBOLT® Titanium Drill Bit

SKU 48-89-2228

Model Number: MIL48892228

Availability Notice: Availability to purchase does not guarantee immediate stock. Our site displays items we stock along with items we have the access to source for our customers. Some items may have extended lead times. Questions about availability? Contact our team before ordering.

ENGINEERED THUNDERBOLT WEB FOR MAXIMUM RIGIDITY AND THERMAL RESISTANCE

When your high-torque drill drivers are pushing through heavy-gauge steel or dense lumber, the mechanical integrity of your bit is the difference between a clean hole and a snapped tool. The Milwaukee Thunderbolt Titanium Coated Drill Bit is engineered with a significantly thicker core than standard bits, providing the structural reinforcement needed to withstand the intense side-load pressures common in jobsite drilling. This design, paired with a parabolic flute, ensures rapid chip evacuation to prevent heat-soaking the material, while the titanium coating acts as a thermal barrier to maintain edge sharpness through hundreds of cycles. For professionals demanding a high ROI on their consumables, this bit delivers the durability required for consistent, high-speed production.

  • / Thunderbolt Web Design: Features a thicker core to provide ultimate strength and protect against breakage under heavy side-loads.
  • / Titanium Coating: Reduces friction and heat build-up, extending bit life by up to 3X compared to standard black oxide bits.
  • / 135° Split Point: Delivers a precision start on contact, preventing bit walking on curved or flat surfaces for cleaner entry holes.
  • / 3-Flat Secure-Grip™ Shank: Eliminates bit slipping in the chuck, ensuring maximum torque transfer from the motor to the cutting edge.
  • / Parabolic Flute: Specifically shaped to clear chips and debris fast, keeping the bit cool and maintaining cutting efficiency.
TECHNICAL SPECIFICATIONS
Diameter 31/64"
Decimal Equivalent 0.4844"
Shank Type 3-Flat Secure-Grip™ (Reduced)
Shank Size 3/8"
Overall Length 5-7/8"
Flute Length 4-3/8"
Point Angle 135° Split Point
Coating Titanium
Application Metal, Wood, Plastic/PVC

WHAT'S IN THE BOX

(1) 31/64" Thunderbolt Titanium Coated Drill Bit (48-89-2228)

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