| Material: | Carbon Steel |
|---|---|
| Type: | Hexagon Head, Round Head |
| Groove: | Interior Angles Quartet |
| Connection: | Common Bolt |
| Head Style: | Hexagonal, Socket |
| Standard: | DIN, GB, ANSI, JIS, DIN, ANSI, GB, JIS, GOST, Bsw |
| Samples: |
Made in China Carbon Steel Grade 4.8 8.8 10.9 Oxid
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| Customization: |
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