3M 7100021208 Abrasive Belt 48x6 Inch Aluminum Oxide

Product Description

The 3M 7100021208 is a Trizact 237AA coated abrasive belt designed for intermediate finishing and fine polishing in demanding industrial grinding and surface preparation applications. It uses 3M microreplication technology, where micron-graded aluminum oxide particles are formed into precisely shaped pyramids and bonded to an X-weight cloth backing. As the pyramids wear during use, fresh abrasive mineral is continuously exposed, delivering a consistent cut rate and predictable finish quality throughout the belt's working life. At 48 inches long and 6 inches wide, this belt fits wide belt sanders and automated finishing equipment used in metal fabrication and manufacturing environments.

This belt is suited for intermediate finishing and fine polishing steps on metal workpieces prior to plating or buffing operations. The flexible cloth backing conforms to contoured surfaces, making it a practical choice for parts with complex geometry. The three-dimensional pyramid structure also supports consistent, repeatable results in robotic and automated finishing applications where surface finish uniformity is critical. Licensed tradespeople and industrial finishing technicians working in fabrication shops, automotive refinishing, and metalworking facilities are the primary installers and operators of this belt.

Key Features

• Microreplication technology forms aluminum oxide mineral into self-sharpening abrasive pyramids for consistent cut and finish
• Self-sharpening pyramid structure runs cooler than conventional coated abrasives, reducing heat buildup on workpieces
• X-weight cloth backing provides flexibility for conforming to contoured and complex surfaces
• Three-dimensional abrasive design delivers uniform finish results in robotic and automated finishing systems
• Produces finer finishes than conventional electrostatically coated abrasive belts
• Suited for intermediate finishing and fine polishing prior to plating or buffing

Compatibility

Designed for use on wide belt sanders and automated finishing equipment that accept 48-inch by 6-inch abrasive belts in metal fabrication and industrial finishing applications.

Installation Notes

Belt installation and replacement should be performed by qualified finishing technicians familiar with the specific machine manufacturer's loading and tensioning procedures. Power down and lock out the sander or finishing machine before changing belts. Inspect belt tracking alignment after installation and before resuming operation. Verify that the arrow or run-direction marking on the belt, if present, matches the machine's drive direction.

Technical Specifications

• Belt Length: 48 inches
• Belt Width: 6 inches
• Abrasive Mineral: Aluminum Oxide
• Backing Material: X-Weight Cloth
• Abrasive Type: Trizact Microreplication
• Color: Gray
• Weight: 0.39 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 20
• UPC: 00051125507479

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100021208