shaft 1.Lenths:20mm~800mm, Straightness:0.01mm 2.Diameter:2mm ... every working procedure and ensure the best quality.8 Payment T/T(30% in advance,70% before shipment), LC at sight9 ... /mm2,Elongation (L=5D) = 16% Min. Applied range:Forging shaft/forged shaft used in wind power generation high-speed gear case,high ... industry, hydraulic pressure products, port and shipping driving machines etc. shaft