spacer nut 1.ER8,ER11,ER16,ER20,ER25, ER32, ER40 ER50 2.We supply competitive price and good service spacer nut 1.Size: ER8,ER11,ER16,ER20,ER25, ER32, ER40,ER502.Type: UM, T1,T2, A, B, MINI.3.Material: alloy steel 40Cr4.Hardness: HRC42-45 Modle No.DLTEOC 61814M14*1.0EOC 82619M20*1.5EOC 103019M22*1.5EOC 123520M27*1.5EOC 164324M33*1.5EOC 205028M42*2.0EOC 256030M48*2.0EOC 327233.5M60*2.5EOC ...