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| Brand | Lan Qiaoying | Material | Brass H57/H59/H62 |
| name | Knurled stud | Surface treatment | Untreated |
| standard | Metric/National Standard | package instruction | Plastic bag/carton packaging |
| Size description | m4xφ7.3xL30.8 (thread size Mx outer diameter x stud length L) | ||
| Special Note | Various specifications of copper studs, injection nuts, and hot melt nuts can be customized according to drawings and samples. | ||
