For military industry, energy, petrochemical, electric power, automobile, rail transit, marine engineering, construction machinery use
| Материал: | 42CRMO |
| outer diameter : | 25.0mm |
| длина: | 46.0mm |
| The head of the product is umbrella-shaped, and 4 square notches are milled out at the head position | |
Ningbo Yiyi Precision Technology Co., Ltd.