... tolerance:+/-0.001 3.length tolerance:+/-0.001 Precision Eccentric shaft1.Material: 12L142.Product standard: ¢9 ... Silkscreen, Heat treatment, Black oxid; 5.Production equipment : precision and automatic lathe made in TaiwanCNC lathe6.Standard/ specification: ... fax, printer, duplicator, a plastic machine, shredders, punching machine, currency counting machines and various electronic products. Material ...