SWC-BH Cardan shaft/universal shaft joint SWC-BF Cardan shaft/universal shaft joint SWC-DH Cardan shaft/universal shaft joint SWC-CH Cardan shaft/universal shaft joint SWC-WH Cardan shaft/universal shaft joint SWC-WF Cardan shaft/universal shaft joint SWC-WD Cardan shaft/universal shaft joint SWC-connection size and tightenning torque of bolt Cross assemble