1. Introduction Titanium bolt is by the head and the screw (with external thread of the cylinder) of two parts of fasteners. It needs to cooperate with nut, used for fastening the two parts with hole. Titanium bolt connection is a detachable connection. Titanium washer usually mats between fittings and nut parts.
2. Materials & standards
| Material | Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr12 |
| Standard | DIN 933, DIN912, DIN931, DIN913, DIN916, DIN7984, DIN6921, DIN7985, DIN963, DIN84, DIN7981 |
| Size | M1.6~ M64 |
| Technique | CNC Â Machining |
| States | (M) Annealed |
| Surface | Polishing, Anodizing, Black oxide |
3. Classification of Screw
Titanium round head screw
Titanium self-tapping screws
Titanium six screws
Titanium countersunk head screw
Titanium a screw
Titanium lag screw
Titanium double screw
Titanium non-standard screws
Titanium fastening screws
Titanium standard screws
Titanium flat head screws
4. Classification of Nut
Titanium Hexagon Nut with Flange
Titanium wing Nut
Titanium Six angle nut
Titanium self-locking nut
Titanium ring round nut
Titanium knurled nut
Titanium slotted nut
Titanium non-standard nut
5. Chemical Requirements
| Â Grade | N | C | H | Fe | O | Al | V | Pa | Mo | Ni | Ti |
| GR 1 | 0.03 | 0.08 | 0.015 | 0.20 | 0.18 | / | / | / | / | / | bal |
| GR 2 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | / | / | bal |
| GR 5 | 0.05 | 0.08 | 0.015 | 0.40 | 0.20 | 5.5~6.75 | 3.5~4.5 | / | / | / | bal |
| GR 7 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | 0.12~0.25 | / | / | bal |
| GR 9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5~3.5 | 2.0~3.0 | / | / | / | bal |
| GR 12 | 0.03 | 0.08 | 0.015 | 0.30 | 0.25 | / | / | / | 0.2~0.4 | 0.6~0.9 | bal |
6. sical Properties
| Grade | State | Tensile strength(min) | Yeild strength (min) | Elongation (%) | ||
| Ksi | MPa | ksi | MPa | |||
| GR 1 | （M）Annealed | 35 | 240 | 20 | 138 | 24 |
| GR 2 | （M）Annealed | 50 | 345 | 40 | 275 | 20 |
| GR 5 | （M）Annealed | 130 | 895 | 120 | 828 | 10 |
| GR 7 | （M）Annealed | 50 | 345 | 40 | 275 | 20 |
| GR 9 | （M）Annealed | 90 | 620 | 70 | 438 | 15 |
| GR 12 | （M）Annealed | 70 | 438 | 50 | 345 | 18 |
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