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| Item Name | Din 931 Hexagon Head Bolt |
| Class |
Screw,nut,bolt,washer,thread rod,etc. |
| Grade | GR1、GR2、GR3、GR4、GR5、GR7、GR11、GR12、GR23; |
| Standard |
DIN931 |
| Size |
M8 |
| Surface |
Polishing, Anodizing, Black oxide |
Test |
Ultrasonic test (UT) |
| Packing | Wooden Case |
| Application | Chemical, Industry, Petroleum, Aircraft |