h synchronous wheel
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H-Type Timing Pulley With Boss And Keyway
Barbieri® H-type timing pulley with boss and keyway: The timing pulley has a keyway and is connected to the shaft through this keyway. This method ensures that the rotation between the timing pulley and the shaft is synchronized and prevents them from slipping. It has a large transmission torque and a high speed. The top screw hole is moved to the boss without causing damage to the timing belt.
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