
Polished Custom Aluminum Spline Round Tube for Ski Pole Blanks. Integrated Extrusion Molding: Uniform wall thickness with high dimensional tolerance and no secondary welding. High Torsion Resistance: External gear spline design ensures strong anti-slip torque transmission. Lightweight Material: 6063 aluminum alloy is 1/3 the weight of steel, reducing equipment load. Corrosion Protection: Natural anodized surface offers anti-corrosion, anti-oxidation, and wear resistance. Deep Processing Support: Available for cutting, drilling, tapping, CNC turning, and threading per drawings. Versatile Applications: Ideal for automation, mechanical transmission, new energy, and medical machinery. High Annual Output: Capable of producing 50,000 tons annually to handle large orders efficiently. Comprehensive Certifications: ISO9001, CE, and RoHS compliant for global market access and smooth customs.