SFE4040 Ball Screw、Nut、BK/BF30、Coupler, 200-1500mm Tail End MachiningUS$1,174.44PriceBuy 6+: 15% Off · Buy 4+: 12% OffLength*SelectQuantity*Add to CartBuy NowSFE4040 Ball Screw + Nut + BK/BF30 End Support + Coupler. Available in screw lengths 200 to 2950 mm; custom lengths on request.