... bond. For an optimal ration between grindin Grinding Wheel for Metal - Cymbal PatternGeneral purpose wheels for ... /s13,300rpm125*6.0*22.2 5*1/4*7/8 Flat PatternCymbal Pattern80m/s12,200rpm150* ... Pattern80m/s8,500rpm180*8.0*22.27*5/16*7/8 Flat PatternCymbal Pattern80m/s8,500rpm230*6 ... 7/8 Flat PatternCymbal Pattern80m/s6,600rpm230*8.0*169*5/16*7/8 Flat PatternCymbal Pattern80m/s6,600rpm Grinding Wheel ...