metal threaded shaft parts

Material: Stainless steel, alloy steel, or copper alloy Shape: Overall cylindrical double-ended structure, one end is fully threaded, the other end has a stepped thread structure. Dimensions: Diameter: Φ5mm, Height: 20mm (customizable) Internal Design: Solid internal structure with clear and complete thread profile, even stress distribution, effectively improving connection stability and service life. Surface Treatment: Finely treated surface, with options for polishing, electroplating, blackening, or passivation, enhancing appearance while improving rust resistance, corrosion resistance, and wear resistance. Manufacturing Process: High-precision turning is used, with strict tolerance control; post-processing dimensional and visual inspections ensure product consistency and reliability.