CRL 5" (127 mm) Medium Density PSA Backer Pads are designed to support any 5" CRL PSA abrasive product including silicon carbide discs, 3M® QRS diamond discs, and 3M® Trizact® scratch polishing discs. The 02599 Backer Pad features a 5/8-11 thread pattern and a center hole allowing use of water-through-the-core coolant systems.
