... delivery time ISO9001:2008 Product: High-quality guide pillar , guide pillars and bushes , guide bush pillarSince 2001, Dongguan Jiacai Hardware Co.,Ltd ... , chrome plating, yellow zinc,anodise,tumbled.5) Quality assurance in accordance with ISO9001: 2008 6) Part size: Diameter from 0 ... .5mm to 600mm 7) Tolerance: Can be kept in +/-0.005mm8) Finest Quality Control and After ServicesProduction rangeUsed ...