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The 3M 7100138329 is a non-woven abrasive finishing disc designed for fine finishing, paint prepping, scratch blending, and surface conditioning across a wide range of materials. Built with an aluminum oxide abrasive and a 3D non-woven structure, it delivers a high cut rate while maintaining a consistent finish without undercutting or damaging the base material. The disc spins at up to 10000 RPM and measures 6 inches in diameter. It mounts via a hook and loop quick-change system, making disc swaps fast during multi-step finishing processes. Professionals in fabrication, bodywork, and finishing trades rely on this disc for controlled material removal and uniform surface prep.
This disc is suited for conditioning and finishing aluminum, stainless steel, plastics, wood, and fiberglass. It performs well in applications requiring scuffing of primer, metal, and solid surfaces, as well as paint prepping and polishing. Its non-woven construction allows it to conform to irregular and contoured surfaces, producing a clean, consistent result across varied substrates. The disc is packaged in case quantities and is appropriate for both production environments and detail finishing work where surface quality is closely controlled.
Designed for use with 6 inch hook and loop backing pads and angle grinders or random orbital tools rated for non-woven abrasive discs up to 10000 RPM.
This disc is installed and serviced by fabricators, body technicians, and finishing trade professionals. Before mounting, confirm the backing pad and tool are rated for non-woven discs at the specified RPM. Inspect the hook and loop backing for wear before each use to ensure secure attachment. Always use appropriate eye protection and respiratory protection when operating abrasive discs on metal or composite surfaces.
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