Milwaukee One-Piece Carbide Hole Cutter, 3-1/2"

Milwaukee One-Piece Carbide Hole Cutter, 3-1/2"

The 49-57-8645 Milwaukee One-Piece Carbide Hole Cutter (3-1/2") is a heavy-duty metal-cutting hole cutter built for long life and smooth cuts in hard metals. Featuring carbide teeth, a one-piece design for durability, and a stop shoulder that prevents over-drilling by limiting cut depth to 3/16", it delivers up to 10X life vs. standard hole saws. A 3-flat Secure Grip shank helps prevent slipping in drill/drivers, and the spring-loaded pilot bit supports fast drilling with clean plug ejection.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-57-8645
• Brand: Milwaukee
• Product Type: One-piece carbide hole cutter
• Cutter Size: 3-1/2"
• Teeth Material: Carbide teeth for longer life and smooth cuts in hard metals
• Cut Depth Limiter: Stop shoulder limits cuts to 3/16" to prevent over-drilling
• Shank: 3-flat Secure Grip shank, optimized for drill/drivers
• Pilot Bit: Spring-loaded pilot bit for fast drilling and clean plug ejection
• Design: One-piece construction for added durability
• Tool Compatibility: For use with drill/drivers
• Included: Cutter, pilot bit, and hex key
• Recommended Materials: Stainless steel, mild steel, copper, aluminum, and other metal materials

Ideal For

• Cutting clean holes in stainless and other hard metals
• Users who want longer life than standard hole saws
• Applications where controlled depth (3/16") helps prevent over-drilling
• Fast-paced work requiring secure shank grip and easy plug ejection