[small step bore: 6mm]

[big step bore: 6.35mm]

product name: 3M-28 teeth timing belt drive pulley synchronous wheel
tooth shape: arc shaped tooth
teeth pitch: 3mm ; tooth width: 16mm(for 15mm width belt)
material: aluminium alloy
bore size: 5/6/6.35/7/8/10/12/14/15/16/17mm; set screw: 2xM5

pack quantity: 1pcs