新东发株棕色模具弹簧 55CrSi极重荷重东发标准强力矩形弹簧

棕色极重荷重系列，最大压缩量20%。专为极限重载环境研发，55CrSi高韧性材质提供超强单位推力与优异的抗松弛性能。在恶劣的重型压铸模具与高压机械中服役寿命长，海量现货极速直发。

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颜色	红色, 蓝色, 绿色
尺寸	S, M, L

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