... 3 Roller: smaill, large, flanged 4 Pin: solid, hollow, etc. 5 Attachments Conveyor chains and special chains ... type,flanged F type,or other typesPin:solid pin,hollow pin,big-head pin,extended pin,etc. ... (Long Pitch Engineering Class Conveyor Chains) a)ISO Standard Solid Pin Conveyor Chains (ISO 1977): M, MT / ... MC, MCT b)BS Standard Metric Series Solid Pin Conveyor Chains (BS 4116): E, ET / EC, ...