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HDG GR8.8 Square U Head Bolt
Material: Carbon steel
Grade:4.8
Finish: HDG
Certification: ISO9001
MOQ:1000PCS
Samples: Free
Place of Origin: Zhejiang China
Product Details
| name | HDG GR8.8 Square U head bolt |
| Material |
Carbon Steel:35K and 45C Other Materials:Alloy Steel / Aluminum ,etc. |
| size |
Diameter:M3-M64 Length:50mm-1000mm according to your drawings. |
| Grade | 8.8 |
| Surface Finishing | Black, yellow zinc plated, white zinc plated, hot dip galvanized, Hot sherardizing, Plated DACROMET |
| Application | Building and installation, mechanical parts connected, vehicles, ships, bridges, tunnels, railways, etc. |
| Standard | ISO,DIN,GB |
| Certification | ISO9001:2008, ISO14001:2004 |
| quality control | 100% quality inspected |
| Gr8.8 Chemical Composition(%) | |||||
| Grade | C | Mn | Si | S | P≤ |
| 0.36 | 0.69 | 0.16 | 0.01 | 0.01 | |
| Mechanic Periormance | ||
| RM（mpa) | A(%) | Z(%) |
| 602 | 22.5 | 54 |
