1,Cold Drawn Guide Rail of T45/A(45*45*5mm),T50/ ... passed ISO9001:200 3,SJEC,FUJI,IFE,TOSHIBA supplier 1,Cold Drawn Guide Rail ProcessingISO7465:2007Typeb1h1k2pm1m2t1t2db2b3l1l2VBoltTolerance±0.50±0.20±0 ... 2,Dimensions of fishplate and joint holes of T45,T50 Cold Drawn Elevator Guide RailCOD.ISO7465/2007dd1lb2b3l1l2l3AmmmmmmmmmmmmmmmmmmTOLERANCES +30 ±0.2±1 ...