Manufacturing Process:Milled Thread Product name:Ball Screw Support Application:Cnc Machining Parts Nut type:Single Nut$ Double Nut Type:CNC Machine Ball Lead Screw Size of screw shaft:3210 Structure:Screw+nut Cap +steel Ball Lead Screw Service:OEM Services Certificate:ISO9001:2008 Nut:SFU DFU SFE SFI Thread direction:right or left or both