... . Available pulleys 1) V-belt pulleys 2) Timing belt pulleys 3) Variable speed pulleys 4) Flat belt pulleys 5) Conveyor belt pulleys 6) Conveyor idlers ... 7) Taper lock pulleys 8) Timing pulleys ... 170, T2.5, T5, T10, T20, AT2.5, AT5, AT10, AT20 2) Pilot bore, taper bore and QD bore 3) Materials ...