titanium screw titanium bolt Size: >M3 * L Standard: DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, ... etc. titanium screw titanium bolt1) Size: >M3 * L 2) Standard: DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931 ... metric size, still can be imperial size and American standard Optional Information- Payment : T/T- Delivery : 15 ... quality DIN912,DIN933,DIN931 titanium screw standard parts