|
|
| AS
2451(澳标) |
1/4 |
5/16 |
3/8 |
7/16 |
1/2 |
5/8 |
3/4 |
| 螺栓长度≤6"时的螺纹长度L |
19.05+2.00 |
22.23+2.50 |
25.40+3.00 |
28.58+3.50 |
31.75+3.50 |
38.10+4.00 |
44.45+4.50 |
| 螺栓长度＞6"时
L |
|
|
|
|
|
|
|
| 搓丝坯
(6g级) D |
MAX |
5.42 |
6.89 |
8.36 |
9.80 |
11.25 |
14.20 |
17.20 |
| MIN |
5.37 |
6.84 |
8.31 |
9.75 |
11.20 |
14.15 |
17.15 |
| 粗杆直径
D3 |
MAX |
7.11 |
8.68 |
10.28 |
11.88 |
13.46 |
16.89 |
20.06 |
| MIN |
|
|
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|
|
|
|
| 六角对边
S |
MAX |
11.30 |
13.33 |
15.20 |
18.06 |
20.82 |
25.65 |
30.48 |
| MIN |
11.05 |
13.09 |
14.86 |
17.66 |
20.32 |
25.02 |
29.85 |
| 头部高度
H |
MAX |
4.72 |
5.79 |
6.85 |
7.92 |
9.22 |
11.35 |
13.46 |
| MIN |
4.22 |
5.29 |
6.35 |
7.42 |
8.46 |
10.60 |
12.70 |
| 螺栓长度公差
L2
直径1/4 - 3/8 |
≤1" |
1.25"-2.5" |
2.75"-4" |
4.25"-6" |
>6" |
|
|
|
| +0.50 |
+0.50 |
+1.00 |
+1.50 |
+2.50 |
|
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|
| 直径7/16
- 1/2 |
| +0.50 |
+1.00 |
+1.50 |
+2.00 |
+3.00 |
|
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| |
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|
| 直径9/16
- 3/4 |
| +0.50 |
+1.50 |
+2.00 |
+2.50 |
+3.50 |
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