30Teeth 32Teeth HTD 3M Timing Pulley Bore 4-20mm For belt width 6/10/15/20mm 3M Synchronizing wheel CNC Machine 30T 32T

30Teeth 32Teeth HTD 3M Timing Pulley Bore 4-20mm For belt width 6/10/15/20mm 3M Synchronizing wheel CNC Machine 30T 32T

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