1.Titanium 2.High precision 3.For Rc Hobby Industrial 4.Delivery fast 5. ... Key) DIN911Materialsteel, stainless steel, carbon steel, free cutting steel, aluminum, brass, copper, alloyFinishPlating, Oxiding, Blasting, Painting, Anodizing, Heat treatment, AlodineTolerancehexagon ... please contact us to ask for catalogues and price list. High precision and lowest price Titanium Hexagon Head Socket Screws