... diameter tolerance:+/-0.001 3.length tolerance:+/-0.001 types of fasteners 1.Material: 3032.Product standard: ¢14.36*26 ... .001 surface roughness:0.1-0.8 4.Surface treatment:: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing, ... precision and automatic lathe made in TaiwanCNC lathe6.Standard/ specification: OEM service as per customers' requests, with in-house tooling design ...