不锈钢小头铆螺母，GB17880小沉头拉铆螺母：标准规格:GB/T17880.3材质：钢，铝，铜，不锈钢生产范围：下附明细小沉头拉铆螺母，顾名思义其头部的外径与厚度都比（大）沉头拉铆螺母小。如果钣金因其本身比较薄，倒角亦做的小，只有使用小沉头拉铆螺母才能适配。SIZEDeh(ref.)d-0.03-0.20dk&plu***n;0.30K&plu***n;0.20L&plu***n;0.30d0+0.15+0.05M3(R)M3(R)X9.5M30.5~1.51.5~2.55.0555.500.358.59.5M4(R)M4(R)X11M40.5~1.51.5~2.56.5666.750.5010.011.0M5(R)M5(R)X13.5M50.5~2.02.0~3.58.0778.000.6012.013.5M6(R)M6(R)X16M60.5~3.03.0~4.59.59910.000.6014.516M8(R)M8(R)X18M80.5~3.53.5~5.010.5111112.300.6016.518.0M10(R)M100.5~3.513.0131314.500.8519.0M12(R)M120.5~3.516.0151516.500.8522.5)