3M 7010308049 Abrasive Belt 90x4 Inch Ao Cloth

Product Description

The 3M 7010308049 is a Trizact 237AA coated abrasive belt designed for intermediate finishing and fine polishing in demanding production and robotic grinding applications. It uses 3M microreplication technology, where micron-graded aluminum oxide mineral is formed into structured three-dimensional pyramids and bonded to an X-weight cloth backing. As the pyramids wear during use, fresh sharp mineral is continuously exposed, delivering a consistent cut rate and predictable surface finish throughout the belt's service life. The belt measures 90 inches in length and 4 inches in width and weighs 0.36 pounds.

This belt is suited for metal fabrication, precision grinding, and surface conditioning work where a fine, repeatable finish is required prior to plating, buffing, or final inspection. The flexible X-weight cloth backing conforms to contoured workpiece profiles, making it a practical choice for both flat stock and shaped components. It is commonly used in automated and robotic finishing cells where consistent finish quality across long production runs is critical. Manual bench and stroke belt applications also benefit from its self-renewing abrasive structure.

Key Features

• Structured aluminum oxide pyramids self-sharpen as they wear, maintaining cut rate and reducing heat buildup
• Three-dimensional microreplication design produces consistent surface finishes throughout abrasive life
• X-weight cloth backing provides flexibility for finishing over contoured surfaces
• Performs intermediate finishing and fine polishing prior to plating or buffing operations
• Generates finer finishes than conventional electrostatically coated abrasive belts
• Well-suited for robotic and automated grinding cells requiring predictable, repeatable results

Compatibility

Designed as a replacement-style abrasive belt for belt grinders, stroke sanders, and automated finishing machines accepting 90-inch by 4-inch belts.

Installation Notes

Belt installation should be performed by the machine operator or maintenance technician following the equipment manufacturer's belt-change procedure. Power down and lock out the machine before removing the worn belt or installing the new one. Verify belt tracking direction arrows align with machine rotation before resuming operation. Inspect the contact wheel and platen for wear or damage that could affect finish quality before installing a new belt.

Technical Specifications

• Belt Length: 90 inches
• Belt Width: 4 inches
• Abrasive Mineral: Aluminum Oxide
• Backing Material: X-weight Cloth
• Abrasive Structure: Structured Pyramid Microreplication
• Color: Gray
• Weight: 0.36 pounds
• UOM: Each
• UPC: 00051111512043

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010308049