Milwaukee 13/32" THUNDERBOLT® Black Oxide Drill Bit (6 PK)

ENGINEERED FOR SIDE-LOAD STRENGTH AND RAPID CHIP CLEARANCE

The Milwaukee Thunderbolt series represents a significant mechanical upgrade over standard high-speed steel bits, specifically addressing the common failure point of core breakage. By utilizing a thicker web design, these bits provide the structural rigidity necessary to withstand side-load pressure, which is often the culprit behind snapped bits in portable drilling applications. The parabolic flute geometry is optimized for high-volume chip evacuation, preventing heat buildup and friction that prematurely dulls the cutting edge. For professionals working with curved surfaces or stainless steel, the 135-degree split point is a critical feature, ensuring the bit bites immediately upon contact without the need for a center punch.

• / Thunderbolt Web Design: Features a thicker core than standard bits to provide ultimate strength and protect against breakage during heavy-duty drilling.
• / 135° Split Point Tip: Delivers a precision start and prevents the bit from walking, allowing for faster and more accurate hole placement on metal and plastic.
• / 3-Flat Secure-Grip Shank: Engineered with three flat sides to lock the bit into the chuck, eliminating slipping under high-torque loads.
• / Parabolic Flute Form: Clears debris and chips rapidly to keep the bit cool and extend the service life of the cutting edge.
• / 3/8" Reduced Shank: Allows this 13/32" diameter bit to be used in standard 3/8" drill chucks for increased jobsite versatility.

WHAT'S IN THE BOX

(6) 13/32" Thunderbolt Black Oxide Drill Bits