4-1/2 in. Advanced Bi-Metal Hole Saw | MKM-MHS72

M.K. Morses Advanced Bi Metal Hole Saw excels under pressure, with a patented side slot that makes slug removal faster and easier, ideal for repetitive drilling operations. Designed for use with standard arbors, its 1 15/16in cutting depth covers most common applications. Made in the USA, it slices through stainless steel, mild steel, iron, wood (including nail-embedded), plastic, and drywall. Built with durability and precision in mind, this hole saw is a reliable choice for electricians, HVAC installers, and general maintenance technicians.

• The bi-metal construction includes an M42 high-speed steel edge with 8% cobalt for extended wear resistance
• A patented tooth design and solid cap reduce vibration and ensure smooth, accurate cuts through tough materials
• The heavy-duty side wall increases durability while maintaining a stable cutting path under load
• A side slot design allows for quick and easy slug removal to improve efficiency during repetitive drilling
• The red exterior coating reduces friction and heat buildup, helping to extend tool life in metal and wood applications