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The 3M 7000042703 is a hook and loop disc backing pad designed to hold abrasive discs securely during grinding, sanding, and finishing operations. With a 6-inch pad diameter and a maximum rated speed of 12,000 RPM, this backing pad is built for use with angle grinders, random orbital sanders, and similar rotary tools. The hook and loop mount system allows for fast disc changes without adhesives, reducing downtime between abrasive swaps. It is well suited for metalworking, surface prep, and finishing applications in shop or field environments.
This backing pad is used in both professional shop settings and on-site trade work where rapid abrasive changes and consistent disc hold are required. Typical applications include weld blending, rust removal, paint stripping, and surface conditioning on metal, wood, and composite materials. It is a common tool-room consumable for fabricators, maintenance technicians, pipefitters, and general contractors who rely on consistent abrasive performance across a range of surface prep tasks.
Designed as an OEM-style replacement backing pad for use with 6-inch hook and loop abrasive discs on angle grinders and random orbital sanders rated up to 12,000 RPM.
Installation and replacement of backing pads should be performed with the tool unplugged or the battery removed. Thread the backing pad onto the tool spindle according to the tool manufacturer's torque and thread direction specifications. Confirm the pad is fully seated before attaching any abrasive disc. Always verify the tool's rated RPM does not exceed the 12,000 RPM maximum rating of this pad before operation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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