Milwaukee One-Piece Carbide Hole Cutter Pilot Bit

Milwaukee One-Piece Carbide Hole Cutter Pilot Bit

The Milwaukee 49-57-8660 One-Piece Carbide Hole Cutter Pilot Bit is a precision cutting accessory designed to deliver clean, burr-free holes with impressive durability. Built with carbide-tipped cutting edges, it stays sharper significantly longer than traditional high-speed steel or bi-metal options, making it a reliable choice for repeated use. Designed for handheld applications, it produces drill press-quality results—yes, even without the drill press—while maintaining control and accuracy in tougher materials.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-57-8660
• Brand: Milwaukee
• Product Type: One-piece carbide hole cutter pilot bit
• Cut Quality: Produces clean, burr-free holes
• Material: Carbide-tipped for extended cutting life
• Cutting Depth: Up to 1/2"
• Material Capacity: Designed for materials up to 3/8" thick (handheld use)
• Performance: Delivers drill press-quality holes in handheld applications
• Compatibility: For use with quick change arbor (49-57-0035)
• Application Note: For materials over 3/8" thickness, drill press use is recommended
• Cooling Recommendation: Use cutting fluid for depths over 1/4" to reduce heat and extend tool life

Ideal For

• Cutting clean, precise holes in metal without burrs
• Users needing long-lasting carbide performance over standard cutters
• Handheld drilling where accuracy and finish quality matter
• Applications in metal up to 3/8" thick
• Anyone who wants drill press results—without dragging the drill press across the shop