... Produce Standard: DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931, ISO7380,etc. Titanium Standard Component,Titanium Bolts,Titanium Nuts,Titanium Washer ... . Produce Standard: DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931, ISO7380,etc.3.Inspection:For precision measuring we would recommend the ...