3M 7100049215 Trizact 237AA Abrasive Belt 18x3/4 Inch Ao

Product Description

The 3M 7100049215 is a Trizact 237AA abrasive belt designed for intermediate finishing and fine polishing on metal workpieces prior to plating or buffing operations. 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 pyramids wear down during use, fresh, sharp mineral is continually exposed. The result is a consistent cut rate and a predictable, fine surface finish throughout the life of the belt. The flexible cloth backing conforms to contoured surfaces, making this belt suitable for both hand-guided and automated finishing setups.

This belt measures 18 inches in length and 3/4 inch in width and is suited for use on metal fabrication lines, precision grinding operations, and robotic finishing cells. It performs well in applications where a repeatable surface finish is required across high production volumes. The three-dimensional abrasive structure maintains consistency from the first pass to the last, which reduces variation in robotic or fixture-guided passes. Typical end uses include pre-plate polishing, pre-buff preparation, and fine stock removal on steel, stainless steel, and similar metals.

Key Features

• Microreplication technology forms aluminum oxide into self-sharpening pyramids that expose fresh mineral as they wear
• Runs cooler than conventional abrasives, reducing heat buildup on workpiece surfaces
• Flexible X-weight cloth backing conforms to contours for consistent finish on complex geometries
• Three-dimensional abrasive structure delivers repeatable finishes across the full belt life, including in robotic 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 belt finishing machines and robotic grinding cells that accept 18-inch by 3/4-inch abrasive belts. Intended for metal finishing applications including pre-plate and pre-buff preparation on steel and similar workpieces.

Installation Notes

Installation should be performed by a qualified operator familiar with abrasive belt equipment. Confirm the machine is powered down and locked out before changing the belt. Verify belt tracking and tension per the equipment manufacturer's guidelines before resuming operation. Inspect the belt for damage prior to each use and do not exceed the speed rating of the belt or the machine.

Technical Specifications

• Belt Length: 18 inches
• Belt Width: 3/4 inch
• Abrasive Mineral: Aluminum Oxide
• Backing Material: X-weight Cloth
• Abrasive Type: Trizact Microreplication (237AA)
• Color: Gray
• Weight: 0.02 pounds
• UOM: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100049215