ReliaBot 100mm T8 T8x4 Tr8x4 Lead Screw and Brass Nut (Acme Thread, 2mm Pitch, 2 Start, 4mm Lead) for 3D Printer and CNC Machine Z Axis: Amazon.com: Industrial & Scientific
ReliaBot 100mm T8 T8x4 Tr8x4 Lead Screw and Brass Nut (Acme Thread, 2mm Pitch, 2 Start, 4mm Lead) for 3D Printer and CNC Machine Z Axis: Amazon.com: Industrial & Scientific
Amazon.com: Echo V265000200 Lawn & Garden Equipment Nut Genuine Original Equipment Manufacturer (OEM) Part : Industrial & Scientific