- Micron-graded diamond mineral achieves finer surface finishes
- Resin bond
- Engineered to handle hard-to-grind materials
- Diamond belts pose an alternative to conventional superfinishing techniques
3M™ Diamond Polishing Cloth Belt 642WY is engineered with micron-graded diamond, a long-lasting resin bond and a water-resistant X-weight cloth backing for polishing and finishing materials harder than 62 on the Rockwell C scale.

Standard Abrasives 890194, S/C Unitized Wheel, 632, 12 in x 1/4 in x 1-1/4 in, 7010367081
3M 20967, Portable Utility Cloth Roll 314D, P240 J-weight, 1 in x 20 yd, 7010290604
Standard Abrasives 714179, Aluminum Oxide Handy Roll, P240 J-weight, 1-1/2 in x 50 yd, 7100050575
3M 81895, Flexible Diamond Hand Lap 6200J, 2-1/4 in x 3-3/4 in M10 Micron, 7000082403
3M 19771, Utility Cloth Sheet 314D, 9 in x 11 in P100 J-weight, 7000021272
Norton 66261126299 - 2" X 50 Yard 80 Grit Metalite™ Aluminum Oxide Cloth Roll, 1 Each
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272
3M 19769, Utility Cloth Sheet 314D, 9 in x 11 in P150 J-weight, 7000000357
3M 10455, Cloth Sheet 481W, 220, 9 in x 11 in, 7010294811
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
ACS 1/2 in x 18 in Diamond Metal Bond Belt, 120M/125u 
