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The 3M 7000045008 is a dust-extraction backup pad kit designed for use with Hookit-style clean sanding disc systems. Built on a foam base, this pad supports efficient particle removal during sanding operations by channeling dust away from the work surface through a connected extraction system. The pad measures 3 inches in diameter with a 1/2-inch thickness and features a 5/16-inch mounting interface. The kit includes five thread adaptors, making it compatible with a range of tool spindle configurations. It is installed by finishing trade professionals, painters, and body shop technicians who require consistent surface prep results with reduced airborne dust.
This backup pad kit is suited for use in automotive refinishing, woodworking, and construction finishing applications where dust management is a priority. The foam construction provides even disc support across the sanding surface, helping maintain consistent contact and finish quality. The included adaptor set makes this kit practical for shops running multiple tool platforms. It is sold as a kit with a minimum order quantity of 5 units, making it well suited for supply stocking at professional shops or fleet service accounts.
Designed for use with Hookit-style clean sanding disc systems requiring a 5/16-inch spindle interface. The five included thread adaptors extend compatibility to tools with 1/4-20, 1/4-28, 5/16-24, and 6mm-1.0 spindle threads.
This backup pad is installed by finishing technicians and professional sanders working with dust-extraction sanding systems. Before attaching or replacing the pad, power off and disconnect the sanding tool from its power source. Select the appropriate adaptor from the included set to match the tool spindle thread, and hand-tighten securely before use. Ensure the dust extraction hose connection is properly seated before beginning any sanding operation.
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