Type B - Fork pin with snap-on spring
Type KL - Fork pin with KL shaft safety
Type SL - Fork pin with SL shaft safety (only for d1 = 4 - 16)
GN751 Fork Joints, Steel
These fork joints consist of a fork head DIN71752 and a fork pin with shaft safetys (type KL and SL) or a fork pin with snap-on spring (Type B). Both versions can be dismantled without tools.
Size d1 = 12 is supplied with a fine thread M12x1,5 according to DIN. In practice, however, M12x1,25 is preferred. Size d1= 20 is available in addition to the DIN standard
Steel ST, zinc plated, blue passivated, tensile strength 500 N/mm2.
Shaft safetys - spring sheet metal, hardened and tempered, zinc plated, blue passivated.