螺栓对应的沉头孔尺寸(内六角螺栓的沉孔及螺栓孔标准尺寸表)
螺栓对应的沉头孔尺寸(内六角螺栓的沉孔及螺栓孔标准尺寸表)M6M5M2.5M3M4

内六角螺栓的沉孔及螺栓孔标准尺寸表(用于GB70 单位:毫米)
| 
     d  | 
     M1.6  | 
     M2  | 
     M2.5  | 
     M3  | 
     M4  | 
     M5  | 
     M6  | 
     M8  | 
     M10  | 
     M12  | 
     M14  | 
     M16  | 
     M20  | 
     M24  | 
     M30  | 
     M36  | 
| 
     ds  | 
     1.6  | 
     2  | 
     2.5  | 
     3  | 
     4  | 
     5  | 
     6  | 
     8  | 
     10  | 
     12  | 
     14  | 
     16  | 
     20  | 
     24  | 
     30  | 
     36  | 
| 
     d'  | 
     1.8  | 
     2.4  | 
     2.9  | 
     3.4  | 
     4.5  | 
     5.5  | 
     6.6  | 
     9  | 
     11  | 
     13.5  | 
     15.5  | 
     17.5  | 
     22  | 
     26  | 
     33  | 
     39  | 
| 
     dk  | 
     3  | 
     3.8  | 
     4.5  | 
     5.5  | 
     7  | 
     8.5  | 
     10  | 
     13  | 
     16  | 
     18  | 
     21  | 
     24  | 
     30  | 
     36  | 
     45  | 
     54  | 
| 
     D'  | 
     3.3  | 
     4.3  | 
     5  | 
     6  | 
     8  | 
     10  | 
     11  | 
     15  | 
     18  | 
     20  | 
     24  | 
     26  | 
     33  | 
     40  | 
     48  | 
     57  | 
| 
     k  | 
     1.6  | 
     2  | 
     2.5  | 
     3  | 
     4  | 
     5  | 
     6  | 
     8  | 
     10  | 
     12  | 
     14  | 
     16  | 
     20  | 
     24  | 
     30  | 
     36  | 
| 
     H''  | 
     1.8  | 
     2.3  | 
     2.9  | 
     3.4  | 
     4.6  | 
     5.7  | 
     6.8  | 
     9  | 
     11  | 
     13  | 
     15  | 
     17.5  | 
     21.5  | 
     25.5  | 
     32  | 
     38  | 
| 
     d2  | 
     1.2  | 
     1.6  | 
     2.1  | 
     2.5  | 
     3.3  | 
     4.2  | 
     5.2  | 
     6.8  | 
     8.5  | 
     10.5  | 
     12.2  | 
     14.2  | 
     18.2  | 
     21.2  | 
     26.5  | 
     32.2  | 




