3M 7100188478 Sanding Belt 80 Grit 24x4 Inch

Product Description

The 3M 7100188478 is a rapid removal power sanding belt engineered with Precision-Shaped Grain abrasive technology. This 4-inch by 24-inch belt runs at 80 grit, placing it in the coarse range for aggressive stock removal on wood, plastic, and metal surfaces. The shaped grain geometry cuts faster and lasts longer than conventional aluminum oxide belts by reducing heat buildup and resisting moisture loading. It is suited for production sanding, surface preparation, and leveling passes where removal rate and belt life matter most. Trade professionals and fabricators typically reach for this belt when conventional abrasives are the throughput bottleneck.

This belt is designed for use across all stages of the sanding process, including coating removal, material leveling, and surface blending. The 4-inch by 24-inch format fits a standard class of stationary and portable belt sanders used in woodworking shops, metal fabrication environments, and general maintenance applications. The 80-grit coarse rating makes it most appropriate for initial stock removal and rough shaping rather than finish sanding. Each package contains one belt.

Key Features

• Precision-Shaped Grain abrasive cuts faster and outlasts traditional aluminum oxide belts
• Resists heat buildup, reducing belt glazing during extended use
• Moisture-resistant construction extends working life in humid shop conditions
• Coarse 80-grit rating suited for aggressive stock removal and leveling
• Compatible with wood, plastic, and metal workpiece materials
• Sold individually — one belt per package

Compatibility

Designed to fit belt sanders accepting a 4-inch by 24-inch abrasive belt. Available in additional sizes including 3 inches x 18 inches, 3 inches x 21 inches, 3 inches x 24 inches, and 4 inches x 36 inches, and in grit options of 36, 60, 80, and 120.

Installation Notes

Always power down and unplug the belt sander before installing or removing a sanding belt. Confirm belt tracking adjustment after installation and run the machine briefly without load to verify the belt seats properly on the platens. Inspect the belt for tears or delamination before each use. Follow applicable shop safety codes and wear appropriate eye and respiratory protection during operation.

Technical Specifications

• Belt Length: 24 inches
• Belt Width: 4 inches
• Grit: 80 (Coarse)
• Abrasive Material: Aluminum Oxide (Precision-Shaped Grain)
• Compatible Materials: Wood, Plastic, Metal
• Package Contents: 1 Belt
• Package Weight: 2.321 pounds
• Package Length: 9.75 inches
• Package Width: 8.75 inches
• Package Height: 10 inches
• UPC: 638060273871

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100188478