Tru-maxx TRU-RP155M Disc Backing Pad Quick-change Type P

Product Description

The TRU-MAXX TRU-RP155M is a Quick-Change Type P disc backing pad designed for use with rotary die grinders and air tools in metal fabrication, weld blending, and surface prep applications. The pad measures 1.5 inches in diameter with a 0.25-inch shank and a 5/16-24 left-hand thread for secure attachment under rotation. It carries a medium density rating and is rated to a maximum of 30,000 RPM, making it suitable for high-speed abrasive work. Licensed trades and shop technicians use this pad as the interface between the tool spindle and a quick-change abrasive disc.

This backing pad is intended for use with Quick-Lok compatible quick-change abrasive discs in both light industrial and professional shop environments. Typical applications include deburring, surface conditioning, and blending on metal workpieces. The left-hand thread design is standard for rotary cutting and grinding tools to prevent unthreading during forward rotation. The compact 1.5-inch pad diameter suits tight-access work on fabricated assemblies, pipe joints, and welded structures where larger pads cannot reach.

Key Features

• Quick-Change Type P interface compatible with Quick-Lok abrasive disc systems
• 5/16-24 left-hand thread prevents unthreading during forward tool rotation
• 1.5-inch pad diameter for access in tight or confined workspaces
• 0.25-inch shank fits standard die grinder collets
• 30,000 RPM maximum speed rating for high-speed rotary tool use
• Medium density construction balances conformability and disc support

Compatibility

Designed for use with Quick-Lok compatible quick-change abrasive discs on standard die grinders and rotary tools accepting a 0.25-inch shank.

Installation Notes

Installation and disc changes should be performed with the tool disconnected from the air supply or power source. Thread the pad onto the tool spindle by hand until snug, confirming the left-hand thread direction before applying torque. Always verify that the abrasive disc RPM rating meets or exceeds the tool free-speed rating before operating. Inspect the pad for wear, cracking, or deformation before each use and replace if any damage is found.