| L
|
Nominal Size |
| max |
| min |
| d
|
Nominal Size |
| max |
| min |
| d1
|
±0.1 |
| a
|
±2° |
| dc
|
Nominal Size |
| max |
| min |
| D
|
Ref. |
| t
|
Ref. |
| Spiral angle(±2°)
|
|
| 30 |
40 |
30 |
50 |
60 |
70 |
60 |
80 |
60 |
| 31.2 |
41.2 |
31.2 |
51.6 |
62.4 |
72.8 |
62.4 |
83.2 |
62.4 |
| 28.8 |
38.8 |
28.8 |
48.4 |
57.6 |
67.2 |
57.6 |
76.8 |
57.6 |
| 2 |
2.2 |
2.5 |
2.5 |
2.8 |
3.1 |
3.25 |
3.4 |
4.5 |
| 2.04 |
2.24 |
2.54 |
2.54 |
2.84 |
3.15 |
3.3 |
3.45 |
4.55 |
| 1.96 |
2.16 |
2.46 |
2.46 |
2.76 |
3.05 |
3.2 |
3.35 |
4.45 |
| 2.2 |
2.4 |
2.75 |
2.75 |
3.1 |
3.4 |
3.5 |
3.7 |
4.75 |
| 32° |
32° |
32° |
32° |
32° |
32° |
32° |
32° |
32° |
| 3.5 |
3.8 |
4.4 |
4.4 |
4.6 |
5.4 |
5.7 |
5.9 |
7.9 |
| 3.8 |
4.1 |
4.75 |
4.75 |
4.95 |
5.75 |
6.05 |
6.25 |
8.3 |
| 3.2 |
3.5 |
4.05 |
4.05 |
4.25 |
5.05 |
5.35 |
5.55 |
7.5 |
| 1.5 |
1.5 |
2 |
2 |
2 |
2 |
2 |
2 |
2.5 |
| 0.5 |
0.5 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
| 62° |
62° |
70° |
70° |
70° |
70° |
70° |
70° |
70° |
|
