DIN 6923 钛合金法兰螺母Name Titanium Nuts Brand Name HYX-Ti Grade Titanium Gr1,Gr2,Gr5(6Al-4V),Gr23,GR9(3Al-2.5v),Zirconium, Tungsten, Molybdenum etc. Standard DIN ,ISO,GB,SAME,JIS,Etc.(Accept custom drawing) Color PVD Coating or Nitriding:Gold,Black,Rainbow(Oilslick) and Burnt.