Our 3 piece M42 bi-metal impact hole saw set with 8% cobalt high-speed steel, hex shank, and 6–10 TPI teeth is designed for efficient drilling in thin stainless steel, mild steel, and aluminium up to 1.6mm thickness. The integrated internal spring enables continuous cutting without clogging, while the universal hex shank ensures secure compatibility with most corded and cordless power tools. Supplied in a durable tin storage box with EVA lining, this compact kit delivers clean, smooth holes for high-intensity metalworking applications.

Key Features

• 3 hole saw sizes: 20mm, 25mm, and 32mm
• M42 HSS bi-metal construction with 8% cobalt
• 6–10 TPI teeth for smooth cutting performance
• Internal spring for continuous drilling without clogging
• Universal hex shank for secure tool compatibility
• Suitable for stainless steel, mild steel, and aluminium
• Maximum material thickness of 1.6mm
• Tin storage box with EVA lining for protection

What’s Included

• 3 bi-metal hole saws
• Tin storage box