M42 Cobalt Cutting Edge Bi-Metal Hole Saw Cutting Solutions for Metal, Wood & Construction Trades

The Bi-Metal Hole Saws collection brings together premium cutting solutions from Drill America and Norske Tools, designed for fast, clean, and reliable hole cutting across metal, wood, plastic, and composite materials. Featuring M42 cobalt high-speed steel cutting teeth, these hole saws deliver exceptional durability, heat resistance, and cutting performance in both professional and industrial environments.

Bi-metal construction combines a hardened cutting edge with a flexible alloy steel body, allowing the saw to absorb vibration, resist tooth breakage, and maintain accuracy even in demanding applications. This collection includes standard bi-metal hole saws, thin-wall high-speed hole saws, complete hole saw kits, and pilot drills and arbors to cover every drilling scenario.

Whether you’re an electrician installing conduit, a plumber cutting pipe openings, an HVAC technician working with sheet metal, or a fabricator drilling steel plate, this collection offers a reliable, trade-tested solution with consistent performance and long tool life.

What You’ll Find in This Collection

• M42 bi-metal hole saws for metal, wood, plastic, and composites.
• Thin-wall bi-metal hole saws for faster cutting and reduced power demand.
• Complete bi-metal hole saw kits for job-site versatility.
• Pilot drills and arbors compatible with standard hole saw systems.
• Solutions for light-duty, professional, and industrial applications.

Materials & Applications

Use proper arbor and pilot drill. Apply cutting lubricant when drilling metal. Secure workpiece and wear appropriate PPE.