Lead Screw for CNC 3D Printer Size 8x500mm 4 start without nut

From the shop's description

Lead Screw for CNC & 3D Printer Size 8x500mm 4 start without nut is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. 500mm (L) Lead Screw 8mm (D) Thread 2mm Pitch Lead Screw (3D engraving machine lead screw 500mm length Specification: Material: Stainless steel lead screw, tephlone nut Screw diameter: 8mm Length: 500mm Screw spacing: 2mm Lead of thread:8mm Range: Reprap makerbot 3d printer accessories Package Included: 1x 400mm lead screw It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.