821双铰直行链板

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820单铰直行链：板宽有882TAB重型转弯链：板宽利乐专用链：板宽RT114龙骨链，板宽RT125龙骨链板，板宽812不锈钢单铰直行链：材质：不锈钢304,201，碳钢。板宽有：76.2mm,82.6mm,88.9mm,101.6mm,114.3mm,127.0mm,152.4mm,190.5mm,254mm,节距802不锈钢双铰直行链：板宽190.5mm,254mm,304.8mm,节距881TAB转弯链：板宽有82.6mm,88.9mm,101.6mm,114.3mm,152.4mm,190.5mm,254mm,304.8mm等型号及配套链轮。

831单铰直行滚珠链。板宽821双铰直行滚珠链：板宽882TAB重型转弯滚珠链：板宽38.1mm。有配套链轮。