|
GB801 |
M5 |
M6 |
M8 |
M10 |
M12 |
M16 |
M20 |
螺栓长度≤125时的螺纹长度L |
|
18+2.50 |
22+3.00 |
26+3.50 |
30+4.00 |
|
|
螺栓长度≥125
- ≤200时 L |
|
24+2.50 |
28+3.00 |
32+3.50 |
36+4.00 |
|
|
螺栓长度>200时 L |
|
|
|
45+3.50 |
49+4.00 |
|
|
搓丝坯 (8g级) D |
MAX |
|
5.30 |
7.10 |
8.90 |
10.70 |
|
|
MIN |
|
5.23 |
7.02 |
8.82 |
10.62 |
|
|
粗杆直径 D3 |
MAX |
|
6.00 |
8.00 |
10.00 |
12.00 |
|
|
MIN |
|
5.52 |
7.42 |
9.42 |
11.30 |
|
|
四方对边 S |
MAX |
|
6.30 |
8.36 |
10.36 |
12.43 |
|
|
MIN |
|
5.84 |
7.80 |
9.80 |
11.76 |
|
|
四方高度
H2 |
MAX |
|
3.40 |
3.40 |
4.40 |
5.40 |
|
|
MIN |
|
2.60 |
2.60 |
3.60 |
4.60 |
|
|
头部直径
D2 |
MAX |
|
13.10 |
17.10 |
21.30 |
25.30 |
|
|
MIN |
|
11.30 |
15.30 |
19.16 |
23.16 |
|
|
头部高度 H |
MAX |
|
4.08 |
5.28 |
6.48 |
8.90 |
|
|
MIN |
|
3.20 |
4.40 |
5.60 |
7.55 |
|
|
螺栓长度公差
L2
直径M5 - M20
|
<20 |
20-30 |
35-50 |
55-80 |
90-120 |
130-150 |
160-180 |
≥200 |
+0.90 |
+1.05 |
+1.25 |
+1.50 |
+1.75 |
+2.00 |
+4.00 |
+4.60 |
-0.90 |
-1.05 |
-1.25 |
-1.50 |
-1.75 |
-2.00 |
-4.00 |
-4.60 |
最大制杆长度 |
|
200 |
250 |
400 |
400 |
400 |
500 |
500 |
|
|