spline axis 1, Durable using 2, carbon steel, stainless steel, alloy steel available 3, DIN, BS, USS, abrasion resistant spline axis1.Axis2.Material:Stainless steel,Aluminium,Copper,Iron3.External diamerter:no more than 12mm4.High quality,prompt delivery5.Surface treatment:electric motors,automblies and tractors etc6.Application:plastic,hardware,toys,clocks,spring,manual cloth7.Hardware ...