Handan city Yongnian District Maide Fasteners Co. Ltd
Handan city Yongnian District Maide Fasteners Co. Ltd Galvanized Hex Bolts，Fully Threaded Hex Bolts，Galvanized Hex Nut
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Railway Steel Hex Bolt Din 933 934 Grade 8.8 10.9 Full Thread Black Oxide
This product name is Steel Hex Bolt Din 933 934 Grade 8.8 10.9 Full Thread Black oxide,the size is M5*20mm,the surface treatment of hex bolt is black oxide,Grade is 4.8 or 8.8,the materials are of high quality carbon steel,annual sales reached three million dollar.
Hexagon head bolts are used widely. The hexagon head is designed for easy usage,
and it performs well in balance between force application and reception. The external appearance of these products match and to be used together with the internal parts, for example, nuts, and then to fasten the components.
application
Steel structures,multi-floor,high-rise steel structure, buildings,industrial buildings,high-way,railway,steel steam,tower,power station,and other structure workshop frames
Specification
| nominal diameter d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| screw pitch P | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | |
| b | max | 23 | 28 | 33 | 34 | 37 | 39 | 42 | 50 |
| min | 21 | 26 | 31 | 32 | 34 | 37 | 40 | 48 | |
| ds max | 15.2 | 19.2 | 24 | 26 | 28 | 32 | 35 | 41 | |
| k | max | 8.45 | 10.75 | 13.9 | 14.9 | 15.9 | 17.9 | 20.05 | 24.05 |
| min | 7.55 | 9.25 | 12.1 | 13.1 | 14.1 | 16.1 | 17.95 | 21.95 | |
| s | max | 22 | 27 | 32 | 36 | 41 | 46 | 50 | 60 |
| min | 21.16 | 26.16 | 31 | 35 | 40 | 45 | 49 | 58.8 | |