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M4-M56 half threaded bolts DIN931 m30 grade 8.8 hex head hollow bolt
Product Name | hex head hollow bolt |
Size | M4-M56,etc |
Length | 12-300MM,etc |
Packing | General packing or customer packing |
Delivery time | 30-40 Days |
Port | Shanghai/Ningbo |
Sample | Free |
Material | 35#,45#,40Cr,35CrMoA,42CrMoA,etc |