There are ordinary bolts and high strength bolts, 4.8. 6.8. 8.8. 10.9. 12.9
Place of Origin: | Zhejiang China (Mainland) |
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Come From Fuchun Biotechnology Co., LTD
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Come From Fuchun Biotechnology Co., LTD
High-strength and High-elasticity copper manganese nickel alloy is mainly used for the manufacture of various current-carrying elastic elements, elastic components of precision instrumentation, conductive springs for various relays, contact springs, various plug-ins, diaphragm ...