Dear Sir/Madam, Structure:Customized Material:Stainless Steel Coatings:Customized Product name:Factory investment casting transmission shaft with CNC Technology:Investment casting Other Material:carbon steel,aluminum alloy,cooper alloy Surface treatment:Shotnd blast, polishing, Primer Painting , Powder coating, etc Finishing Method:CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling etc. Roughness:Ra0.8 Tolerance:+/-0.1mm Feature:Anti-wear,strong abrasion resistance ,anti-friction mold Certification:ISO9001:2008 Payment terms:Negotiable Show More