| P
|
Pitch |
| b
|
L≤125 |
| 125＜L≤200 |
| L＞200 |
| dk
|
max=nominal size |
| min |
| ds
|
max |
| e
|
min |
| k1
|
max |
| min |
| k
|
max |
| min |
| r
|
max |
| s
|
max |
| min |
|
| 0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2.5 |
| 16 |
18 |
22 |
26 |
30 |
38 |
46 |
| / |
/ |
28 |
32 |
36 |
44 |
52 |
| / |
/ |
/ |
/ |
/ |
57 |
65 |
| 13 |
16 |
20 |
24 |
30 |
38 |
46 |
| 11.9 |
14.9 |
18.7 |
22.7 |
28.7 |
36.4 |
44.4 |
| 5.48 |
6.48 |
8.58 |
10.58 |
12.7 |
16.7 |
20.84 |
| 5.9 |
7.2 |
9.6 |
12.2 |
14.7 |
19.9 |
24.9 |
| 4.1 |
4.6 |
5.6 |
6.6 |
8.8 |
12.9 |
15.9 |
| 2.9 |
3.4 |
4.4 |
5.4 |
7.2 |
11.1 |
14.1 |
| 3.1 |
3.6 |
4.8 |
5.8 |
6.8 |
8.9 |
10.9 |
| 2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
| 0.4 |
0.5 |
0.8 |
0.8 |
1.2 |
1.2 |
1.6 |
| 5.48 |
6.48 |
8.58 |
10.58 |
12.7 |
16.7 |
20.84 |
| 4.52 |
5.52 |
7.42 |
9.42 |
11.3 |
15.3 |
19.16 |
|
![日标JIS B1171 (AT1) - 1996 JIS1171 1171JIS Cup Head Square Neck Bolts（Large Size）[Table 1]](http://img.globalfastener.com/upload/48/pic/2024/04/12/1712912217309718890.jpg)
