目录
前言............................................II
1范围............................................1
2规范性引用文件.......................................1
3术语与代号........................................ 2
3.1 术语......................................  2
3.2代号.........................................3
4 尺寸...........................................4
4.1螺栓尺寸.......................................4
4.2    螺母尺寸......................................6
4.3薄螺母尺寸......................................7
4.4脚钉尺寸.....................................8
5技术要求........................................9
5.1性能等级标记制度与标志................................9
5.2材料........................................10
5.3机械和物理性能...................................11
5.4加工要求....................................  15
5.5热浸镀锌层技术要求.................................15
6试验方法的运用及适用性................................. 16
6.1制造者的控制....................................16
6.2供方的控制...................................16
6.3需方的控制.....................................16
6.4紧固件与加工试件试验的适用性.........................   16
7试验方法.........................................20
7.1螺栓和脚钉的试验方法................................20
7.2螺母的试验方法...................................33
7.3热浸镀锌层的试验方法................................33
8验收检査.........................................34
9组配包装与标识......................................35
附录A （规范性附录）无螺纹杆部长度厶和最小夹紧长度上...................37
附录B （规范性附录）公差带为6AZ的内螺纹极限尺寸....................41
附录C （规范性附录）剪切试验方法.............................42
附录D （规范性附录）热浸镀锌均匀性试验 硫酸铜试验方法..................43
附录E （规范性附录）螺母硬度换算表............................44
附录F （规范性附录）平垫圏................................45
附录G （资料性附录）螺母釆用加大攻丝尺寸的热浸镀锌螺栓连接副的强度............47
附录H （资料性附录）螺栓用通孔............................  48