Screw Lead

SFU1204 400mm Ball Screw with BK10 BF10 Ballscrew Support and Coupler
US $38.30
3D printer accessories Ultimaker Screw/Washer/Bolt Kit M3 304 stainless steel
US $27.23
Reprap Prusa Mendel i3 Smooth rod +Screw rod+Screw kit for DIY 3D printer
US $70.81
Openbuilds C Beam Linear Actuator Kit 600mm T8 screw nema23
US $55.00