... A.Titanium GR2 GR5 Bolt, Screw, Nuts ,stub bolts and thread rod of American standard, Metric standard(M1 to M24 or bigger ... and Imperial standard.Metric size fastener as follows:Standard: DIN912, DIN933, ... DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931, ISO7380, ISO7380 Trox25 M5*8, etc.1). mini titanium screw ...