48-89-2305 Thunderbolt Cobalt Drill Bit, 1/8 In., 2-3/4 In. Oal

The Milwaukee Thunderbolt Cobalt Drill Bit is engineered for extreme durability and long life when drilling hard metals such as stainless steel and other specialty materials. Cobalt-coated construction delivers superior performance compared to black oxide bits, offering up to 10 times longer life in tough applications. This bit is ideal for cordless drills and all twist drilling applications where precision and reliability matter.

The 135-degree split point tip delivers a precision start and prevents walking, ensuring fast, accurate holes without bit drift. The variable helix design with an aggressive 35-degree helix angle that tapers to 15 degrees provides rapid chip removal and limits heat build-up, keeping the bit sharper longer during extended use.

Features and Benefits

• Cobalt Construction: Engineered for extreme durability and up to 10 times longer life versus black oxide drill bits in hard metal applications.
• 135-Degree Split Point Tip: Delivers a precision start and prevents walking for fast, accurate holes without bit drift.
• Variable Helix Design: The aggressive 35-degree to 15-degree helix angle provides rapid chip removal and limits heat build-up to keep the bit sharper longer.
• Jobber Length: The 2-3/4-inch overall length is versatile for general drilling in cordless drills and all twist drilling applications.
• Hard Metal Performance: Designed for hard metal applications where extended tool life and precision drilling are required.

Specifications

• Brand: Milwaukee
• Model: 48-89-2305
• Diameter: 1/8 inch
• Overall Length: 2-3/4 inch
• Shank Diameter: 1/8 inch
• Bit Type: Jobber bit, twist flute, 3-flute
• Material: Cobalt-coated
• Tip Style: 135-degree split point
• Quantity: 1 bit