3M 7100109085 Pneumatic Die Grinder 1 Hp 20000 Rpm

Product Description

The 3M 7100109085 is a pneumatic die grinder designed for material removal, grinding, and finishing in trade and industrial applications. Rated at 1 HP and capable of reaching 20,000 RPM, it delivers consistent rotational speed for demanding work on metal, welds, and surface prep. The 1/4 inch collet accepts a wide range of mounted points, carbide burrs, and abrasive accessories. It is powered by compressed air, making it well suited for shop environments where pneumatic tool infrastructure is already in place. HVAC fabricators, pipefitters, electricians, and general tradespeople commonly use die grinders for deburring fittings, cleaning welds, and shaping materials.

This die grinder fits into light-to-moderate duty grinding and finishing tasks in both residential and commercial trade settings. It is commonly used at the bench or on the job site for metal prep, port work, and surface conditioning. The tool is sold as a single unit and is compatible with standard 1/4 inch shank accessories available from multiple abrasive manufacturers.

Key Features

• 1 HP pneumatic motor delivers consistent power for grinding and finishing
• 20,000 RPM no-load speed suitable for mounted points and carbide burrs
• 1/4 inch collet accepts industry-standard shank accessories
• Air-powered design eliminates battery dependency in shop environments
• Compact die grinder form factor for access to tight spaces

Compatibility

Designed for use with standard 1/4 inch shank mounted abrasives, carbide burrs, and grinding points commonly available from industrial abrasive suppliers.

Installation Notes

A licensed or qualified tradesperson should connect this tool to a compressed air supply that meets the tool manufacturer's recommended pressure and volume requirements. Ensure the air line is properly drained of moisture before use to prevent internal corrosion. Always install the accessory securely in the collet and verify the accessory speed rating meets or exceeds the tool's 20,000 RPM maximum before operation. Wear appropriate PPE including eye protection and hearing protection during use.

Technical Specifications

• Power: 1 HP
• No-Load Speed: 20,000 RPM
• Collet Size: 1/4 inch
• Drive Type: Pneumatic
• Weight: 0.68 pounds
• Sold As: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100109085