|
|
| |
 |
|
 |
| IFIC-40-1978 |
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 |
25.40+2.00 |
28.58+2.50 |
31.75+3.00 |
34.93+3.50 |
38.10+3.50 |
44.45+4.00 |
50.80+4.50 |
| 搓丝坯
(2A级) D |
MAX |
5.47 |
6.94 |
8.41 |
9.84 |
11.31 |
14.25 |
17.26 |
| MIN |
5.42 |
6.89 |
8.36 |
9.79 |
11.26 |
14.20 |
17.21 |
| 粗杆直径 D3 |
MAX |
6.60 |
8.22 |
9.85 |
11.48 |
13.08 |
16.30 |
19.50 |
| MIN |
6.02 |
7.57 |
9.15 |
10.70 |
12.27 |
15.37 |
18.52 |
| 四方对边 S |
MAX |
6.60 |
8.22 |
9.85 |
11.48 |
13.08 |
16.30 |
19.50 |
| MIN |
6.23 |
7.80 |
9.35 |
10.95 |
12.50 |
15.65 |
18.83 |
| 四方高度
H2 |
MAX |
3.96 |
4.74 |
5.56 |
6.35 |
7.13 |
8.73 |
10.31 |
| MIN |
3.18 |
3.97 |
4.78 |
5.57 |
6.35 |
7.96 |
9.53 |
| 头部直径
D2 |
MAX |
15.08 |
18.26 |
21.43 |
24.61 |
27.78 |
34.13 |
40.48 |
| MIN |
14.30 |
17.48 |
19.87 |
23.04 |
26.22 |
30.97 |
37.32 |
| 头部高度 H |
MAX |
3.68 |
4.47 |
5.28 |
6.07 |
6.85 |
8.73 |
10.31 |
| MIN |
3.18 |
3.97 |
4.78 |
5.57 |
6.35 |
7.96 |
9.53 |
| 螺栓长度公差
L2 |
≤1" |
1.25"-2.5" |
2.75"-4" |
4.25"-6" |
>6" |
|
|
|
| 直径1/4 -
3/8 |
+0.50 |
+0.50 |
+1.00 |
+1.50 |
+2.50 |
|
|
|
| -0.75 |
-1.00 |
-1.50 |
-2.50 |
-4.50 |
|
|
|
| 直径7/16 -
1/2 |
+0.50 |
+1.00 |
+1.50 |
+2.00 |
+3.00 |
|
|
|
| -0.76 |
-1.50 |
-2.00 |
-2.50 |
-4.50 |
|
|
|
| 直径9/16 -
3/4 |
+0.50 |
+1.50 |
+2.00 |
+2.50 |
+3.50 |
|
|
|
| -0.76 |
-2.00 |
-2.50 |
-2.50 |
-4.50 |
|
|
|
| 最大制杆长度 |
|
200 |
300 |
400 |
400 |
400 |
500 |
500 |
|
|
