... cap type Special design of high-structure for connection of single or multi-sides square shaft Special for highs-speed transmission ... ,and contact us the specification of Pd type shaft coupling/connector model Pd40, Pd55,Pd65, Pd80, Pd95, Pd104,Pd120. As a ... professional manufacturer, we can design the Pd type shaft coupling/connector according to customer's specific requirements, and you are assured ...