Specification: Material: Stainless steel lead screw, brass nut Color: Silver and gold Dimension: 300x 8mm/11.8 x0.31inch (L x Dia) Lead: 4mm (nut turn a circle move 4mm) Direction of rotation: Clockwise Fit for: 3D printer accessories and generl machine tools. Weight: 107g Features: 1. 3D engraving machine lead screw 300mm length with nut. 2. The item is low operation noise and low friction. 3. Stainless steel lead screw + brass nut, rustproof and long service life. 4. Applies to: Widely used in 3D Printer, stepper motor, machine tools, and other equipment. Package include: 1x 300mm lead screw 1x brass Nut
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