Drillpro 400mm 8mm Lead Screw Acme Lead Screw and Nut for 3D Printer Z Axis

OctagonStar Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine（2PCS）

Wangdd22 1pcs T8 Anti backlash Spring Loaded Nut Elimination Gap Nut for 8mm Acme Threaded Rod Lead Screws

CCTREE Flexible Couplings 5mm to 8mm NEMA 17 Shaft Coupler forCreality CR-10 CR-10S S4 S5 Makerbot RepRap Prusa i3 3D Printer or CNC Machine (Pack of 5pcs)

BIQU GT2 3mm Bore Aluminum Toothless Timing Belt Idler Pulley/Double Head for 3D Printer 6mm Width Timing Belt (Pack of 5pcs)

Two (2) 8mm x 406mm (.315" x 16") Case Hardened Chrome Linear Motion Rods/Shafts/Guides - Metric G6 Tolerance

STEPPERONLINE Nema 17 Stepper Motor Bipolar 2A 59Ncm(84oz.in) 48mm Body 4-lead W/ 1m Cable and Connector compatible with 3D Printer/CNC

WINSINN Leveling Spring Component - M3 Screw Knob - for 3D Printer Hot Bed/Platform (Pack of 4set)

YOTINO 5PCS Flexible Couplings 5mm to 8mm NEMA 17 Shaft Coupler for Creality CR-10 CR-10S S4 S5 Makerbot RepRap Prusa i3 3D Printer Or CNC Machine(Bonus 1pcs M3 Allen Wrench)

5pcs Brass T8 Screw Nut Trapezoidal For 8mm T8 Lead Threaded Rod CNC Linear Rail 3D Printer Reprap Parts Z Axis

Qunqi 5packs Aluminum GT2 Timing Belt Pulley 16 Teeth Bore 5mm Width 6mm and Wrench for RepRap 3D Printer Prusa i3 + Allen Key