uxcell 100mm Length T8 8mm Dia Lead Screw Rod,4 Lead Stainless Steel Lead Screw Rod with Copper Nut Trapezoidal Thread for 3D Printer Z Axis electronics3 this seal has low swelling

this seal has low swelling in water

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uxcell 100mm Length T8 8mm Dia Lead Screw Rod,4 Lead Stainless Steel Lead Screw Rod with Copper Nut Trapezoidal Thread for 3D Printer Z Axis electronics3 this seal has low swellinguxcell 100mm Length T8 8mm Dia Lead Screw Rod,4 Lead Stainless Steel Lead Screw Rod with Copper Nut Trapezoidal Thread for 3D Printer Z Axis Features: Copper nut, with 4 holes for fixing to the machine Nut turn an around move 4mm Screw nut made of copper,durable and wear resisting Used on stepping motor driving guide rail,machine tool, and other equipment. Fit for 3D printers, engraving machine, etc Specification: Material: Stainless Steel Lead Screw;