Norton 78072776431 Abrasive Belt 50 Grit 3-1/2x15-1/2 in

Product Description

The NORTON 78072776431 is a coated abrasive belt designed for aggressive material removal on metal, wood, and composite surfaces. Built on a heavy-duty Y-weight polyester cloth backing, it delivers the structural rigidity needed for high-pressure grinding and finishing applications. The zirconia alumina abrasive grain is self-sharpening under load, making this belt well-suited for sustained stock removal without rapid breakdown. At 50 grit, it falls in the coarse grade range, targeting initial shaping, weld seam blending, and surface prep work. The closed coat density maximizes grain coverage for fast cutting action. This belt is rated for both wet and dry operation, giving fabricators and metalworkers flexibility across setups.

This belt is sized at 3-1/2 inches wide by 15-1/2 inches long, fitting bench-top and portable belt sanders common in metal fabrication shops, welding operations, and general industrial maintenance. It is part of the Norton R824 series, a line engineered for demanding grinding tasks on ferrous and non-ferrous metals. Machinists, fabricators, and maintenance technicians working with stainless steel, structural steel, and aluminum will find this grit and grain combination appropriate for rapid material removal ahead of finer finishing steps.

Key Features

• Zirconia alumina grain provides self-sharpening action for extended belt life under heavy load
• 50 grit coarse grade removes material quickly for shaping, deburring, and weld blending
• Y-weight polyester cloth backing resists tearing and stretching under high belt tension
• Closed coat construction maximizes abrasive coverage for aggressive stock removal
• Rated for wet and dry operation for versatility across different sanding setups
• Part of the R824 series for consistent performance in industrial grinding applications

Compatibility

Designed to fit belt sanders and grinders that accept a 3-1/2 inch by 15-1/2 inch abrasive belt. Verify machine belt size specifications before installation.

Installation Notes

Belt installation should be performed by qualified personnel familiar with abrasive equipment. Power down and lock out the sander or grinder before changing belts. Confirm belt tracking direction matches the arrow marked on the belt backing, as running a belt in reverse can cause premature failure or separation. Inspect the platen and contact wheel for wear or debris before installing a new belt.