12mm Shaft 30" inch Long Hardened Rod Linear Motion VXB Brand Diameter 12 mm Length=30inch =762mm

Pack of 4Pcs SK12 SH12A 12mm Linear Rail Shaft Support Block for CNC Linear Slide Bearing Guide CNC Parts

uxcell 2 Pcs SK12 12mm Bore Linear Rail Shaft Support for Milling Machine

10pcs LM12UU 12mm Linear Motion Ball Bearing Bushing for 12mm Rod 3D Printer CNC Parts

Thomson QS 12 MM 500, Quick Shaft, 11.99 / 12.00 mm Diameter, Class MM, Carbon Steel, 60 Rockwell C Min., 500 mm long

uxcell 4pcs KFL001 12mm Zinc Alloy Self Aligning Pillow Block Flange Bearing

Vktech® 2Pcs 12mm SC12UU Linear Motion Ball Bearing Slider Slide Bushing Replacement CNC

OCR 20PCS 2 Hole Corner Bracket Right Angle 20Series Aluminum Brackets for Aluminum Extrusion Profile with Slot 6mm

Witbot 500mm 8mm T8 Lead Screw Set Lead Screw+ Pillow Bearing Block + Copper Nut + Coupler for 3D Printer

uxcell 4pcs SK12 Aluminum Linear Motion Rail Clamping Guide Support for 12mm Dia Shaft

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)