... stainless steel, carbon steel, free cutting steel, aluminum, brass, copper, alloyFinishPlating, Oxiding, Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon ... Socket Button Head Cap Screws (ISO7380=ASME B18.3)Material : Alloy = SCM435 (10.9) Stainless Steel = A2 (XM-7 ... us to ask for catalogues and price list. High precision and lowest price Titanium Hexagon Head Socket Screws