suttontools Bi-Metal Cobalt Holesaw M42 102mm H1251020

The Sutton Tools Bi-Metal Cobalt Holesaw M42 102mm (H1251020) is a heavy-duty cutting tool built for professionals who need reliable performance through tough materials. Constructed with M42 high-speed steel and an 8% cobalt content, it delivers outstanding heat resistance and extended tool life — even under sustained, high-load drilling conditions.

Suited to both machine and hand drilling, this 102mm (4") holesaw cuts through steels, stainless steel, cast iron, non-ferrous metals, plastics, and wood with precision. It features a 5/8" thread, accepts BD24 and BD26 pilots, and pairs with the UA3 arbor for a secure, stable connection. For best results when cutting metal, use with Sutton Tools Venom Lubricating Fluid to maximise tool life.

Key Features

• M42 bi-metal cobalt construction for superior heat resistance and durability
• Suitable for steels, stainless steel, cast iron, non-ferrous metals, plastic, and wood
• Compatible with machine or hand drilling
• 5/8" thread for secure arbor connection
• Accepts BD24 and BD26 pilots; pairs with UA3 arbor
• Recommended with Sutton Tools Venom Lubricating Fluid for metal cutting

Specifications

• Diameter: 102mm (4")
• Thread: 5/8"
• Pilot: BD24, BD26
• Arbor: UA3
• SKU: H1251020