... Cup flange or not Titanium standard parts (bolt and nuts)Titanium fastenerWe are Specializing in manufaturing GR2,GR5Titanium screws ... , bolts, nuts, thread rod of DIN standard from M1 to M24 ... : A.Titanium GR2 GR5 Bolt, Screw, Nuts ,stub bolts and thread rod of American standard, Metric ... as blue, black, golden, purple, blue/green, red etc.