3M™ Clean Sanding Soft Disc Pad 20428, 3 in x 3/4 in x 1/4-20 External 6 Holes
Designed for use with 3 in Clean Sanding Hookit™ Discs. Pad is made with soft density foam for better conformability and allows the disc to flex which gives longer abrasive life in loading applications.
Suggested for applications using grade 220 and finer. 1/4-20 External Threads. MOS: 12,000 RPM/OPM