
Hot Extruded Custom Aluminum Spline Round Tube for Cable Protection Conduits. Integrated Extrusion Molding: Uniform wall thickness with high dimensional tolerance and no secondary welding. External Gear Spline Design: Large contact area providing 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: Anti-corrosion, anti-oxidation, and wear-resistant for long indoor and outdoor service life. Deep Processing Support: Available for cutting, drilling, tapping, CNC turning, and threading per customer drawings. High Annual Output Capacity: 50,000 tons annual production capacity to handle standard and custom big orders. Multiple Certifications: ISO9001, CE, and RoHS compliant ensuring international standards and smooth customs clearance. Flexible Customization Options: Supports full customization, minor customization, and customization from designs or samples.