技术要求:
Technical requirements:
1.材质：黄铜+SPCC
1.Material: brass +SPCC
2.打铜底0.5μm~1μm,镍1~2μm，雾锡3~5μm
2.Copper base 0.5μm~1μm, nickel 1~2μm, Matte tin 3~5μm
3.不得有变形，毛刺等缺陷
3.No deformation, burr and other defects
4.插脚尖部符合可焊性要求
4.The tip of the insert foot meets the solderability requirements
5.螺纹需符合通止规/止针要求
5.The thread shall meet the requirements of the stop rule/stop needle
6.螺纹扭距：1.3Nm
6.Thread torque: 1.3Nm
7.额定电流：40A
7.Rated current: 40A
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