3M 7000120721 Scotch-brite Surface Conditioning Belt 132x3 in

Product Description

The 3M 7000120721 Scotch-Brite Surface Conditioning Belt is a nonwoven abrasive belt designed for detailed metalworking tasks on a wide range of metal surfaces. Built with an aluminum oxide (AO) grain bonded with resin on a scrim-reinforced nonwoven backing, this belt handles blending, deburring, fine finishing, flat finishing, contour finishing, and straightline-brushed finish work. At 132 inches long and 3 inches wide, it fits standard belt finishing machines used in fabrication and metalworking environments. The open web construction reduces loading and heat buildup, extending belt life and delivering consistent surface conditioning results across the workpiece.

This belt is suited for light industrial and fabrication applications where controlled surface finishing is required. Typical tasks include removing grind lines, mill marks, and surface imperfections from ferrous and non-ferrous metals, including stainless steel. The conformable nonwoven structure allows the abrasive to maintain contact with complex shapes, making it appropriate for both manual finishing operations and robotic processing setups. Metal fabricators, maintenance technicians, and weld finishing specialists are the primary users in production and job-shop environments.

Key Features

• Aluminum oxide grain with resin bond for durable, consistent cut on metal surfaces
• Nonwoven open web construction reduces loading and heat buildup during extended use
• Scrim-reinforced backing provides flexibility for contour and edge work
• Conformable structure maintains abrasive contact on complex-shaped and robotic-processed parts
• Removes grind lines, mill marks, and surface imperfections without aggressive stock removal
• Supports multiple finishing tasks: blending, deburring, cleaning, grain setting, and brushed finishes

Compatibility

Designed for use on standard belt finishing and surface conditioning machines that accept 132-inch by 3-inch abrasive belts; suitable for ferrous and non-ferrous metals including stainless steel.

Installation Notes

Belt installation and tracking should be performed by qualified personnel following machine manufacturer guidelines. Power down and lock out the belt finishing machine before mounting or removing the belt. Verify belt tension and tracking before resuming operation. Follow applicable OSHA abrasive wheel and belt safety standards when operating belt finishing equipment.

Technical Specifications

• Belt Length: 132 inches
• Belt Width: 3 inches
• Abrasive Grain: Aluminum Oxide (AO)
• Bond Type: Resin
• Backing Material: Scrim-reinforced nonwoven
• Weight: 1.11 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 5
• UPC: 00048011042893

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000120721