十字槽凹穴六角头自攻螺钉和平垫圈组合件
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
2004-02-10
GB/T 9074.5-2004
十字槽小盘头螺钉和平垫圈组合件
Cross recessed small pan head screw andwasher assemblies with plain washers
2004-02-10
GB/T 9074.4-1988
十字槽盘头螺钉，弹簧垫圈和平垫圈组合件
Cross recessed pan head screw，single coil spring lock washer and plain washer assemblies
1988-04-16
QJ 20040.1-2011
不锈钢螺钉垫圈组合件 第1部分:十字槽盘头螺钉、弹簧垫圈和平垫圈
Stainless steel screw and washer assemblies-Part 1:Cross recessed pan head screw,single coil spring lock washer and plain washer