316焊接螺丝铝种焊钉/点焊种焊螺丝 铝种焊钉/点焊种焊螺丝螺纹规格Thread Size×Pitch材质型号Type长度L±0.4MINI钣厚SheetThicknessMin.CMax.头径E±0.4SMax.钣孔尺寸Hole Size+0.08SteelStainless SteelM2.5×0.45FHFHS6810121518////1.00.644.11.952.5M3×
