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W lock connectors are designed specially for joining the mining chain in weld chain link.It does not need directly engaged with the sprocket which may cause abrasion to the link .This kind of connector can be fitted with chain connector in Grade 100 and leads the longer work life.
W-lock connectors have been designed specially for joining together Mining chains .The tensile and fatigue performance is particularly impressive and has been achieved by careful seletion of raw materail containing Cr. Nr.Mo and heat treatment during the manufacturing process.
The connectors which are for use in the vertical plane only are produced dimensionally in accordance with DIN22258 Part3 and are extremely sprocket friendly where these have been designed with this specification in mind .W-lock connectors are lighter in weight compared with the equivalent chainlock connector.