3M 7010309439 Abrasive Belt 158 Inch L 5 Inch W Ao Cloth

Product Description

The 3M 7010309439 is a Trizact 237AA coated abrasive belt built on an X-weight cloth backing with aluminum oxide (AO) mineral. Unlike conventional abrasives, the mineral is formed into microscopic pyramids using 3M microreplication technology. As the abrasive surface wears, fresh, sharp mineral is continuously exposed. The result is a consistent cut rate and a predictable, fine finish from the first pass to the last. The belt measures 158 inches in length and 5 inches in width and is suited to automated and robotic finishing lines as well as manual flat-stock or contour work.

This belt is designed for intermediate finishing and fine polishing applications ahead of plating, buffing, or final surface preparation. The flexible X-weight cloth backing conforms to contours, making it appropriate for curved workpieces, tubular stock, and irregular profiles. The three-dimensional pyramid structure produces tighter finish consistency across the full abrasive life compared to electrostatically coated products, which is especially valuable in high-volume robotic or automated grinding and polishing setups.

Key Features

• Microreplication technology forms aluminum oxide into self-sharpening pyramids for consistent cut and finish
• Pyramids run cooler than conventional abrasives, reducing heat buildup on workpieces
• X-weight cloth backing provides flexibility for contouring over irregular profiles
• Three-dimensional abrasive structure maintains finish consistency throughout belt life
• Suitable for intermediate finishing and fine polishing prior to plating or buffing
• Produces finer finishes than conventional electrostatically coated abrasive belts

Compatibility

Designed for use on belt grinding and polishing machines that accept 158-inch by 5-inch abrasive belts. Suitable for metal finishing applications including ferrous and non-ferrous workpieces requiring consistent pre-plate or pre-buff surface prep.

Installation Notes

Belt installation and tensioning should be performed by qualified operators following the machine manufacturer's guidelines. Power down and lock out the grinder or belt machine before mounting or removing the belt. Inspect the belt for tears or edge damage before use. Confirm belt tracking alignment before resuming operation.

Technical Specifications

• Abrasive Mineral: Aluminum Oxide (AO)
• Backing Material: X-Weight Cloth
• Belt Length: 158 inches
• Belt Width: 5 inches
• Color: Gray
• Unit of Measure: Each
• Minimum Order Quantity: 50
• Weight: 0.5 pounds
• UPC: 00051111696828

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010309439