ball screw 1.Material:carbon steel,stainless steel,etc 2.Size:M1.6-M24 3.Length:2-60 4.Surface:black,zin plated ball screw1.Material:carbon steel,stainless steel,etc2.Size:M1.6-M243.Length:2-604.Surface:black,zin plated5.Standards:GB/ISO/ANSI/ANSM/BSW/JIP/DIN6.Packing:kraft box,carton,pallet7.Similar products:DIN 914,916,916913,ETC ball screw