Wiperdrive Group Of Companies manufactures Drop Forged Chains for Feeder Tables. Wiperdrive Group Of Companies is an ISO 9001: 2000 accredited company. Drop Forged Chains for Feeder Tables are of simple construction and require no tools for assembly or disassembly. Drop Forged Chains for Feeder Tables can be turn over to provide new sliding surfaces after the original side has worm. This chain has forged double "T" head pins which are provided with positive locking action in the sidebars. Additionally, when worm, the pin cone is rotated 180` putting the unworn pin surfaces in contact with the sidebar and centre link. This partially restores the original pitch .Thereby increasing the effective life of the chain.