Cross-recessed raised countersunk (oval) head tapping screws (ISO 7051:2011)
十字槽凸起沉头(椭圆形)头自攻螺钉(ISO 7051:2011)
发布日期:
2011-08-01
实施日期:
2011-08-01
ISO 7051:2011规定了螺纹尺寸为ST 2,2至ST 9,5(含)的十字槽凸起埋头(椭圆形)头自攻螺钉的特性
ISO 7051:2011 specifies the characteristics of cross-recessed raised countersunk (oval) head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.