Milwaukee Step Drill Bit 4mm – 20mm 48899320

The Milwaukee 48899320 is a top-tier 9-step metric drill bit, designed for professional use in a wide range of materials including stainless steel, aluminum, brass, copper, and plastic. This step drill bit is made from high-speed steel, ensuring durability and longevity. Its unique single cutting edge design provides more control and a cleaner finish, making it ideal for precise drilling requirements. The bit features a black oxide finish, enhancing its corrosion resistance and compatibility with drilling lubricants. This feature, combined with the Rapid Strike tip, minimizes bit walking and ensures a fast start, reducing the risk of off-center holes. With a length of 65mm and a 3-flat shank measuring 8mm wide, this step drill bit covers incremental sizes from 4mm to 20mm, making it versatile for various drilling tasks.

Specifications & Features:

• Material: High-Speed Steel
• Finish: Black Oxide Coating for Corrosion Resistance
• Length: 65mm
• Shank: 3-Flat, 8mm Wide
• Steps: 9 Increments (4mm to 20mm)
• Cutting Edge: Single for Precise, Clean Cuts
• Application: Ideal for Stainless Steel, Aluminum, Brass, Copper, Plastic
• Features: Rapid Strike Tip for Fast Start and Reduced Bit Walking

Glass Drill Bits