3M 7100043419 Abrasive Belt P400 Grit 132x3 Inch Ao Cloth

Product Description

The 3M 7100043419 is an aluminum oxide abrasive cloth belt designed for light grinding, finishing, deburring, and grain-setting on ferrous and non-ferrous metals. Built on a flexible J-weight cloth backing, this belt conforms readily to contours and complex part geometries. The open-coat construction evacuates sanding dust efficiently, maintaining an aggressive cut rate and extending abrasive life. At P400 grit, it is suited for fine finishing passes where surface quality matters. The resin bond system locks abrasive grains firmly in place, supporting consistent performance across the belt's full working life. Installed on backstand grinders, file belt tools, or benchtop motors by metalworkers and fabricators.

This belt is intended for dry metalworking applications on carbon steel, stainless steel, aluminum, brass, bronze, and copper. The 132-inch length and 3-inch width fit standard backstand and file belt configurations common in fabrication shops and metal finishing operations. The J-weight cloth backing flexes enough to follow curved or irregular surfaces without losing contact, making it a practical choice for blending welds, deburring edges, and finishing contours on both production runs and one-off parts.

Key Features

• Aluminum oxide abrasive delivers fast cutting action on most metals
• J-weight cloth backing conforms to contours and complex part geometries
• Open-coat construction clears swarf and reduces loading for longer belt life
• Resin bond system maximizes grain retention and abrasive durability
• P400 grit suited for fine finishing and grain-setting passes
• Compatible with backstand grinders, file belt tools, and benchtop motors

Compatibility

Designed for use on backstand grinders, file belt tools, and benchtop motors that accept a 132-inch by 3-inch abrasive belt in dry metalworking applications.

Installation Notes

Installation should be performed by a qualified metalworker or machine operator following the equipment manufacturer's belt-tracking and tensioning procedures. Power down and lock out the machine before mounting or removing the belt. Confirm belt direction-of-travel arrows align with the machine's drive direction before starting. Inspect the belt for tears or delamination before each use and replace immediately if damage is found.

Technical Specifications

• Grit: P400
• Belt Length: 132 inches
• Belt Width: 3 inches
• Abrasive Material: Aluminum Oxide
• Backing Type: J-Weight Cloth
• Coat Type: Open Coat
• Bond Type: Resin
• Application: Dry Metalworking
• Weight: 0.3 pounds
• UOM: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100043419