3M 7100083948 Trizact 237AA Abrasive Belt 18x3/4 Inch

Product Description

The 3M 7100083948 is a Trizact 237AA coated abrasive belt designed for intermediate finishing and fine polishing applications. It uses 3M microreplication technology in which micron-graded aluminum oxide particles are formed into three-dimensional pyramids and bonded to an X-weight cloth backing. As the pyramidal structures wear during use, fresh sharp mineral is continuously exposed. The result is a consistent cut rate and a predictable, fine surface finish throughout the life of the belt. This belt measures 18 inches in length and 3/4 inch in width. It is used by metalworking professionals, tool-and-die shops, and finishing technicians.

This belt is intended for intermediate finishing and fine polishing operations prior to plating or buffing on metal workpieces. The flexible cloth backing conforms to contours, making it well suited for curved or profiled surfaces. The three-dimensional abrasive structure also supports consistent, repeatable results in robotic and automated finishing applications where uniformity across a production run is critical.

Key Features

• Microreplication technology forms aluminum oxide into self-sharpening abrasive pyramids for consistent cut throughout belt life
• Fresh mineral is continuously exposed as pyramids wear, maintaining a sharp cutting surface
• Runs cooler than conventional abrasives, reducing heat buildup on workpieces
• Flexible X-weight cloth backing conforms to contoured and profiled surfaces
• Three-dimensional design delivers repeatable, uniform finishes in robotic finishing applications
• Produces finer surface finishes than conventional electrostatically coated abrasive belts

Compatibility

Designed as a direct-fit replacement-style coated abrasive belt for belt sanders and finishing machines that accept 18-inch by 3/4-inch belts in metalworking, polishing, and surface preparation applications.

Installation Notes

Installation should be performed by qualified finishing or metalworking personnel. Disengage and lock out the belt sander or finishing machine before changing belts. Verify belt tracking alignment and tension according to machine manufacturer guidelines before resuming operation. Inspect the belt for tears or damage before each use.

Technical Specifications

• Abrasive Mineral: Aluminum Oxide
• Backing Material: X-Weight Cloth
• Belt Length: 18 inches
• Belt Width: 3/4 inch
• Abrasive Structure: Microreplication (three-dimensional pyramids)
• Color: Gray
• Unit of Measure: Each
• Weight: 0.14 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100083948