3M 7010353442 Floor Surfacing Disc 7in 40 Grit

Product Description

The 3M 7010353442 is a precut floor surfacing disc engineered for aggressive material removal and surface preparation on wood and composite flooring. The disc uses a sharp, fast-cutting synthetic mineral abrasive bonded to a tough, flexible paper or combination backing. At 7 inches in diameter with a 0.3125-inch arbor hole and a 40-grit cut rating, it is sized for standard floor edger and disc sander equipment used in flooring installation and refinishing work. Professional floor mechanics and finish carpenters rely on this disc for heavy stock removal, paint stripping, and leveling passes before finer finishing sequences.

This disc is intended for use on residential and light commercial flooring surfaces, including hardwood, softwood, and engineered wood substrates. Its construction balances cutting speed with backing durability, reducing disc changes during extended floor surfacing jobs. The 40-grit specification makes it appropriate for initial-pass material removal, leveling high spots, or removing existing coatings prior to sanding with finer abrasives. Each disc is sold individually, with a minimum order quantity of 100 units, making this SKU well suited for flooring contractors who cycle through abrasives at high volume.

Key Features

• Precut disc design for immediate use with no additional trimming required
• Sharp synthetic mineral abrasive grain for fast, aggressive stock removal
• Flexible paper or combination backing conforms to surface irregularities
• 40-grit rating suited for heavy material removal and coating stripping
• 7-inch diameter with 0.3125-inch arbor hole fits standard floor edger equipment

Compatibility

Designed as an OEM-style replacement abrasive disc for standard 7-inch floor edger and disc sander machines used in hardwood and composite flooring applications.

Installation Notes

Floor surfacing discs are installed and serviced by flooring mechanics and finish carpenters using standard floor edger equipment. Before changing discs, disconnect the sander from power and allow the disc to come to a complete stop. Inspect the backing pad for wear or damage before mounting a new disc, as a damaged pad can cause uneven cutting or disc failure. Always wear appropriate respiratory protection and eye protection when operating floor surfacing equipment.

Technical Specifications

• Diameter: 7 inches
• Arbor Hole: 0.3125 inches
• Grit: 40
• Abrasive Type: Synthetic mineral
• Backing: Flexible paper or combination
• Weight: 0.06 pounds
• UPC: 00051115079443

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010353442