Roller Chain Certificate of Quality: ISO 9001:2000 08B,10B,12B,16B,20B..........48B Materials: 40Mn steel Color: all DIN/ISO KIN/ISOChainNo.PitchRollerWidthbetweeninner platesPindiameterPinlengthLnnerplatedepthPlatethick-nessUltimatetensilestrengthAveragetensilestrengthweightpermeterPd1maxb1mind2maxLmaxLcmaxh2maxTmaxQminQ0 qmmmmmmmmmmmmmmmmkN/LBkNkg/m04B-16.0004.002.801.856.807.85.000.603.2/6823. ...