2pcs/lot T8 Lead Screw/Thread Rods lead 8mm length 300 400 500 600mm+Copper Nuts for Prusa I3 3D printer&CNC partsFeatures:This T-type screw is a new type of screw is mainly used in stepper motor, machine tool rails and other equipments.Durable and easy to use.Lead screw rod mainly used in stepper motor, Machine Tool, and other equipment.Screw without processing, direct connected to bearing. Item will be pack in PVC tube.Suitable for Industrial automation equipment, stepper motor rails. such as 3D printers. engraving machine. XYZ module. slider. lifts etc.Specifications:Material Stainless steel lead screw, brass nutScrew diameter 8mmLead of thread 8mmRange Reprap makerbot 3d printer accessoriesLength optional: 300 400 500 600mmLead : 8mm (seven-head,nut turn one circle,screw forward 8mm)Packaging List: 2pcs lead screws + 2pcsfreebrass nutsItem specifics:Item type: Lead ScrewModel number: anet T8 Lead 8mm ScrewType: T8Lead: 12mmMaterial: 304 stainless steelFor: Reprap makerbot 3d printer accessories