|
IT01和IT0的标准公差数值(GB/T 1800.3—1998) |
|||
|
基本尺寸/mm |
标准公差等级 |
||
|
IT01 |
IT0 |
||
|
大于 |
至 |
公差/μm |
|
|
— |
3 |
0.3 |
0.5 |
|
3 |
6 |
0.4 |
0.6 |
|
6 |
10 |
0.4 |
0.6 |
|
10 |
18 |
0.5 |
0.8 |
|
18 |
30 |
0.6 |
1 |
|
30 |
50 |
0.6 |
1 |
|
50 |
80 |
0.8 |
1.2 |
|
80 |
120 |
1 |
1.5 |
|
120 |
180 |
1.2 |
2 |
|
180 |
250 |
2 |
3 |
|
250 |
315 |
2.5 |
4 |
|
315 |
400 |
3 |
5 |
|
400 |
500 |
4 |
6 |