M6 M8 M10 Tungsten Bolt Screw Nuts Tungsten Molybdenum Titanium Threaded Rod
Tungsten Bolt Screw Nuts Tungsten Molybdenum Titanium Threaded Rod
1. Specifications of tungsten bolt screw:
Tungsten screws are usually used in equipment and machinery under high temperature and high pressure environment, such as aerospace, petrochemical, nuclear industry and other fields. Due to tungsten's high melting point and corrosion resistance, tungsten screws are able to maintain their strength and performance under extreme conditions. In addition, the tungsten screw also has a low coefficient of thermal expansion and excellent wear resistance, giving it excellent stability and longevity in high temperature environments.
Purity:99.95%(min)
Density: 10.2g/cm3
Size: M2,M2.5,M3,M4,M5,M12,M14 etc.
| Item No. | DIN-Stabdard | Desciption in English | ISO-Standard | GB-Standard |
| 1 | DIN 1 | Taper pins | ISO2339 | GB117 |
| 2 | DIN7 | Parallel pins | ISO2339 | GB119-86 |
| 3 | DIN84 | Slotted cheese head screw | ISO1207 | GB65-85 |
| 4 | DIN125-A | Plain washers | ISO7089 | GB97.1-85 |
| 5 | DIN125-B | Medium washers | ISO7090 | GB97.2-85 |
| 6 | DIN126 | Plain washers | ISO7091 | |
| 7 | DIN558 | Hexagon screws | ISO4018 | |
| 8 | DIN601 | Hexagon blots | ISO4016 | |
| 9 | DIN923 | Slotted pan head screw with shoulder | GB830-88 | |
| 10 | DIN931 | Hexagon head screws | ISO4014 | GB5782-86 |
| 11 | DIN933 | Hexagon head screws | ISO4017 | GB5783-86 |
| 12 | DIN934 | Hexagon full nuts | ISO4032 | GB6170-86 |
| 13 | DIN935 | Hexagon slotted and castle nuts | ISO7035 | GB6178-86 |
| 14 | DIN7972 | Countersunk flat head tapping screws with slot | ISO1482 | GB5283-85 |
| Etc. | ||||
2. The pitch of the threads of a mechanical of tungsten threaded rod:
| Spec. | Thread pitch | Spec. | Number of threads
| |||
| Coarse pitch | Fine pitch | Very fine pitch | Coarse number | Fine number | ||
| M3 | 0.5 | 0.35 | 4# | 40 | 48 | |
| M4 | 0.7 | 0.5 | 6# | 32 | 40 | |
| M5 | 0.8 | 0.5 | 8# | 32 | 36 | |
| M6 | 1.0 | 0.75 | 10# | 24 | 32 | |
| M7 | 1.0 | 0.75 | 12# | 24 | 28 | |
| M8 | 1.25 | 1.0 | 0.75 | 1/4 | 20 | 28 |
| M10 | 1.5 | 1.25 | 1.0 | 4/16 | 18 | 24 |
| M12 | 1.75 | 1.5 | 1.25 | 3/8 | 16 | 24 |
| M14 | 2.0 | 1.5 | 1.0 | 7/16 | 14 | 20 |
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