标准查询
DIN EN ISO 7046-1 十字槽沉头(通用头型)螺钉-产品等级A级-第1部分:性能等级 钢 4.8级
(ISO 7046-1:1994 | DIN EN ISO 7046-1 | 代替 DIN 965)
Countersunk flat head screws (common head style)with type H or type Z cross recess,product grade A-Part 1:Steel of property class 4.8