3M 7000120316 Trizact 237AA Abrasive Belt 18x0.5 Inch Ao

Product Description

The 3M 7000120316 is a Trizact 237AA abrasive belt designed for intermediate finishing and fine polishing in industrial and manufacturing environments. It uses 3M microreplication technology, where micron-graded aluminum oxide particles are formed into 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 fine finish across the belt's full service life. At 18 inches long and 1/2 inch wide, this belt suits narrow-contact applications where surface uniformity is critical.

This belt is suited for metal finishing operations prior to plating or buffing, including robotic and automated grinding lines where repeatable surface finish is required. The flexible cloth backing conforms to contoured workpiece surfaces, making it a practical choice for components with complex geometry. Industries such as aerospace, automotive, and precision metalworking commonly use this belt format for final-stage surface preparation.

Key Features

• Microreplication technology forms aluminum oxide into self-sharpening pyramids that continuously expose fresh mineral as they wear
• Runs cooler than conventional abrasives, reducing heat-related workpiece distortion
• Flexible X-weight cloth backing conforms to contoured surfaces for a consistent finish
• Three-dimensional abrasive structure delivers repeatable finishes in robotic and automated applications
• Produces finer surface finishes than conventional electrostatically coated abrasive belts
• Suited for intermediate finishing and fine polishing prior to plating or buffing

Compatibility

Designed for use on narrow-contact belt finishing machines and robotic grinding systems that accept 18-inch by 1/2-inch abrasive belts. Confirm drive wheel and contact arm dimensions before installation.

Installation Notes

Installation should be performed by a qualified industrial maintenance technician or machine operator. Power down and lock out the belt grinder or finishing machine before changing the belt. Confirm belt tracking direction, as most abrasive belts are directional; check the arrow printed on the backing before mounting. Inspect contact wheels and platens for wear or damage that could cause uneven belt loading or premature failure.

Technical Specifications

• Abrasive Mineral: Aluminum Oxide (AO)
• Backing Material: X-Weight Cloth
• Belt Length: 18 inches
• Belt Width: 0.5 inches
• Abrasive Series: Trizact 237AA
• Color: Gray
• Unit of Measure: Each
• Weight: 0.03 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000120316