Carbon steel end core with rohs zinc plated Machined and turned SGS audited More ... Name: Carbon steel end core with rohs zinc plated ;Carbon steel end core;End core with rohs zinc plated2,For the similar end ... of this kind of end core: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9, ... colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc Dip plating black oxide ...