内六角沉头(椭圆形)自攻螺钉|沙特标准|SASO-ISO-14587
SASO-ISO-14587
Hexalobular socket raised countersunk (oval) head tapping screws
内六角沉头(椭圆形)自攻螺钉
Applying Type : Standard Specification
Standard Year : 2011
Approval Year : 2015