板金件常用自攻螺钉底孔板金件常用自攻螺钉底孔、翻边孔直径和翻边高度金属板材螺纹规格板材厚度钢板孔径翻边孔高铝合金板紧固扭矩度孔径ФNmФ翻边孔Ф0.35,0.51.8,2.32.1,2.51.21.7,2.2ST2.90.82.42.51.6,22.3b5E2RGbCAP12.52.62,2.52.40.3,0.52,2.6...

时间:2024-11-14 01:43栏目:行业资料