Belt Pulley 1.V-belts: SPZ, SPA, SPB, SPC; A, B, C, ... iron, ductile iron, nylon, aluminum 3.OEM,fast offer Belt Pulley's feature:1. European standard: a. V-belt pulleys for ... belts: AK, AKH, 2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK c. Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K ... . OEM service with fast offer, competitive price, quick delivery. belt pulley