3M 732U Precision Shaped Grain, 152.4 mm Resin, 800 Grade, 50 Grit 250 Per Pack

This grinding disc is a high-precision abrasive intended for industrial sanding and finishing across metal, wood, composite and paint-coated surfaces. Designed for use with hook-and-loop attachment systems and compatible back-up pads, it provides effective material removal and surface refinement in workshop and production environments while supporting dust extraction solutions.

• Precision-shaped grain delivers Faster cutting and longer life
• Resin bond resists loading and maintains consistent finish
• High safe speed supports 12,000 r/min operation for productivity
• Anti-load coating reduces clogging and extends working time
• C-weight paper backing balances flexibility with durability
• Multi-hole pattern enables up to 99% dust extraction efficiency

• Suitable for dimensioning metal panels and components
• Ideal for scuffing and preparation prior to topcoat application
• Used for de-flashing and edge rounding on composite parts
• Can be used for coating removal on paint-coated substrates
• Suitable for finishing and refinement of wood assemblies

The product is offered in fine grades up to 800 grit and uses a C-weight paper backing to provide a balance of flexibility and durability during hand or powered sanding.

A proprietary multi-hole extraction pattern works with compatible extraction systems to significantly reduce airborne and surface dust during sanding operations.

The disc is rated for a maximum safe rotational speed of 12,000 r/min

The hook-and-loop attachment system allows Rapid on/off replacement, and the multi-hole back-up pad aids quick alignment.