3M 7100021837 Abrasive Belt 48 Inch 6 Inch Ao Cloth

Product Description

The 3M 7100021837 is a Trizact 237AA abrasive belt built on a proprietary microreplication platform. Micron-graded aluminum oxide particles are formed into three-dimensional pyramids and bonded to an X-weight cloth backing. As the outer layer of each pyramid wears away, fresh sharp mineral is exposed beneath it, delivering a consistent cut rate and a repeatable, fine surface finish across the full life of the belt. The belt measures 48 inches in length and 6 inches in width. It is designed for intermediate finishing and fine polishing stages that precede plating or buffing operations.

This belt is suited for metal fabrication, precision grinding, and surface preparation workflows in industrial and manufacturing environments. The flexible cloth backing conforms to contours, making it appropriate for both flat stock and profiled workpieces. The three-dimensional abrasive structure makes it particularly effective in robotic or automated finishing applications where consistency across multiple parts is critical. Operators in metal finishing shops, aerospace fabrication, and industrial production lines are the primary users of this product.

Key Features

• Microreplication technology forms aluminum oxide into self-sharpening pyramidal abrasive structures
• Self-sharpening pyramid design runs cooler than conventional coated abrasives, reducing heat buildup at the workpiece
• Flexible X-weight cloth backing conforms to contours for consistent surface contact
• Three-dimensional structure maintains uniform finish output throughout belt life, ideal for robotic applications
• Produces finer finishes than conventionally electrostatically coated abrasive belts
• Designed for intermediate finishing and fine polishing prior to plating or buffing

Compatibility

Designed for use on belt grinders and finishing machines that accept 48-inch by 6-inch abrasive belts. Suitable for metal workpieces requiring intermediate finishing or fine polishing prior to plating or buffing.

Installation Notes

Installation should be performed by qualified operators following the belt grinder or finishing machine manufacturer's guidelines. Power down and lock out the machine before mounting or removing the belt. Verify belt tracking and tension according to the machine's specifications before resuming operation. Inspect the belt for tears or edge damage prior to each use.

Technical Specifications

• Belt Length: 48 inches
• Belt Width: 6 inches
• Abrasive Mineral: Aluminum Oxide (AO)
• Backing Material: X-weight cloth
• Abrasive Structure: Microreplication pyramid (Trizact)
• Color: Gray
• Weight: 0.02 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 20
• UPC: 00051125329804

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100021837