3M 732U Precision Shaped Grain, 127 mm Resin, 500+ Grade, 500 Grit 50

This grinding disc is a resin-bonded abrasive designed for industrial sanding and cutting tasks across metal, timber, composites and paint-coated surfaces. It is intended for use with hook-and-loop back-up pads and dust-extraction systems in workshop and production settings where high throughput and reduced rework are priorities.

• Precision-shaped grain delivers Faster cutting and cooler operation
• Anti-load coating reduces clogging and maintains cut rate
• Multi-hole compatibility improves dust extraction performance
• C-weight paper backing balances flexibility and durability
• Long life reduces disc changes and lowers operating cost

• Suitable for dimensioning composite panels and gelcoat trimming
• Ideal for scuffing and preparation prior to topcoat application
• Used for de-flashing and edge rounding on fabricated parts
• Can be used for coating removal and coating refinement on painted surfaces

The paper backing is C-weight, permitting both hand and powered tool use while retaining form for repeated jobs.

The precision-shaped mineral Plus anti-load treatment extends usable life, so fewer disc swaps are required during continuous operations.

When used with a compatible multi-hole extraction pad, the disc assists in removing particulate to reduce loading and improve workshop cleanliness.

It performs on metals, various timbers, composites and paint-coated substrates, allowing direct sanding or cutting in mixed-material assemblies.