
Impact Resistant Custom Aluminum Spline Round Tube for Hydraulic Pipeline Fittings. Integrated Extrusion Molding: Uniform wall thickness with high dimensional tolerance and no secondary welding. External Gear Spline Design: Large contact area ensures strong torsion resistance and anti-slip torque transmission. Lightweight Aluminum Material: 6063 alloy is 1/3 the weight of steel, effectively reducing equipment load. Natural Anodized Surface: Provides anti-corrosion, anti-oxidation, and wear-resistant properties for long service life. Deep Processing Support: Available for cutting, drilling, tapping, CNC turning, and threading per customer drawings. High Dimensional Accuracy: Maintains high tolerance levels compliant with ISO 2768 standards. Versatile Surface Finishes: Offers matte natural anodized, powder coating, and electrophoresis options. Comprehensive Certifications: Products certified with ISO9001, CE, and RoHS for global market access.