文档介绍:**********
小五金工程評估手冊
第80 頁 共57頁
11
目 录
螺钉...................................................................66
1.
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小五金工程評估手冊
第80 頁 共57頁
11
目 录
螺钉...................................................................66
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..1米制制细牙螺螺纹........................................................77
..2米制制粗牙螺螺纹........................................................8
..3英制制细牙螺螺纹........................................................8
..4英制制粗牙螺螺纹........................................................9
..............................................................110
............................................................111
..1米制制细牙螺螺纹.........................................................111
..2米制制粗牙螺螺纹.........................................................111
..3英制制细牙螺螺纹.........................................................112
..4英制制粗牙螺螺纹.........................................................113
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小五金工程評估手冊
第1 頁 共57頁
11
..5板材材上孔与与板边间间距.....................................................113
配合尺寸寸..............................................................113
机械性能能..............................................................113
钢板厚度度..............................................................114
特殊螺钉钉..............................................................115
自攻螺钉钉..........................................................115
硬化层深深度.......................................................15
硬度...........................................................16
尺寸...........................................................16
工作扭力力......................................................17
结合比与与预冲孔孔呎寸关关系.............................................188
钢板孔径径及抽牙牙高.................................................119
..2塑塑料螺钉钉..........................................................220
..2