
GB Standard Custom Aluminum Spline Round Tube for Pneumatic Cylinder Barrels. 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 offers 1/3 weight of steel to effectively reduce 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 Annual Output Capacity: 50,000 tons annual output ensures stable delivery for standard and big orders. Comprehensive Certifications: ISO9001, CE, and RoHS compliant for hassle-free international customs clearance. Flexible Customization Options: Supports full customization, mold opening, and small-batch trial orders.