PROMO T8 Lead Screw OD 8mm Pitch 2mm Lead 4mm Length 300mm 400mm 500mm Threaded Rods with Brass Nut for Reprap 3D Printer Z Axis

T8 Lead Screw OD 8mm Pitch 2mm Lead 4mm Length 300mm 400mm 500mm Threaded Rods with Brass Nut for Reprap 3D Printer Z Axis 21449 3D Printer lead screw with nutLead screw outside diameter 8mmPitch=2mm Lead=4mm ,nut turn a circle move 4mm Pitch refers to the spacing between threads. Lead refers to the rotation of the nut after a circle. Length 250mm / 300mm / 350mm / 400mm / 500mmMainly used for stepper motor driving guide railT shape design,make of high quality stainless steel materialEasy to install and convenient to use 1 pcs - Lead screw 1 pcs - Brass nut window.adminAccountId=204992897; . Brand Name:5AplusreprapItem Type:Lead ScrewModel Number:T8P2L4Material:Stainless steel 304Lead screw outside diameter 8mm:Pitch 2mm ,Lead 4mm