3M 7010327328 Flap Disc 577F 7 Inch 40 Grit Type 29

Product Description

The 3M 7010327328 is a Type 29 quick-change flap disc built for high-pressure metalworking. The 577F disc combines alumina zirconia mineral with a grinding aid to deliver faster cutting than standard aluminum oxide across all metal types. At 7 inches in diameter and 40 grit, it handles aggressive stock removal while simultaneously blending the surface, eliminating the need for a separate finishing step. Heavyweight polyester-backed flaps extend service life under sustained pressure. This disc is installed and changed by metal fabricators, welders, and pipefitters using angle grinders equipped with a compatible quick-change hub.

The 577F flap disc is suited for demanding fabrication tasks including weld removal, beveling, and sharp-edge work on carbon steel, stainless steel, and other metal substrates. The Type 29 conical flap geometry increases contact area on flat and contoured surfaces, making it a practical choice for both flat stock and curved workpieces in production and field environments. The quick-change attachment system reduces disc swap time during continuous operations.

Key Features

• Alumina zirconia mineral with grinding aid cuts faster than aluminum oxide on all metal types
• Type 29 conical geometry improves surface contact on flat and contoured workpieces
• Heavyweight polyester-backed flaps resist breakdown under high-pressure applications
• Combines grinding and blending in a single pass for time savings
• Quick-change hub system simplifies and speeds disc changes on the grinder

Compatibility

Designed for use with angle grinders equipped with a compatible quick-change hub system accepting 7-inch Type 29 flap discs.

Installation Notes

Installation and disc changes should be performed by qualified metalworking or welding professionals. Power down and disconnect the grinder before mounting or removing the disc. Verify the grinder RPM rating meets or exceeds the disc RPM rating before operation. Wear appropriate PPE including face shield and gloves when operating grinding equipment.

Technical Specifications

• Diameter: 7 inches
• Grit: 40
• Disc Type: Type 29 (Conical)
• Attachment: Quick Change
• Abrasive Mineral: Alumina Zirconia
• Backing Material: Heavyweight Polyester
• Weight: 0.54 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 5
• UPC: 00051141309927

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010327328