3M632WY/651WY/631WY鉆石砂帶3M 631WY 鉆石砂帶3M™ Diamond Cloth Belts 631WY Diamond particles resin bonded to a flexible, lightweight cloth backing. Used for glass seaming and for finishing small parts made of hard-to-grind materials.Benefits and Features: Belts ailable in widths from 1/4" to 12", in various lengths125 micron grade3M 632WY鉆石砂帶3M Diamond Cloth Belts 632WYDiamond mineral resin bonded to a heyweight cloth backing. Used on architectural glass and in manual cross seaming operations.Benefits and Features: Belts ailable in widths from 1/4" to 12", in various lengths120 mesh grade 3M 651WY 鉆石砂帶3M Diamond Cloth Belts 651WYDiamond mineral resin bonded to a durable J-wt. cloth backing. For use on thermal spray and HVOF coatings, ceramics, glass, chilled iron, and non-ferrous metals. Ideal for producing final finishes when superfinishing is not an option.Benefits and Features: Belts ailable in 1/4"-12" widthsGrades 1800-100 mesh (9-165 micron).