Bell Head Adapters: Available Sizes
![[adapter size diagram]](images/adapter-diagram.gif)
| No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | |
|---|---|---|---|---|---|
| Category | A B Part # |
A B Part # |
A B Part # |
A B Part # |
A B Part # |
| II | 0.248 1.310 00231 |
1.240 1.822 00232 |
1.751 2.333 00233 |
2.262 2.844 00234 |
0.187 0.756 00235 |
| III | 0.350 1.832 00331 |
1.716 2.576 00332 |
2.460 3.320 00333 |
3.204 4.064 00334 |
0.187 1.116 00335 |
| IV | 0.358 2.272 00431 |
2.166 3.246 00432 |
3.140 4.220 00433 |
4.114 5.194 00434 |
0.228 1.372 00435 |
| V | 0.514 3.328 00531 |
3.209 4.797 00532 |
4.596 6.186 00533 |
6.061 7.649 00534 |
0.375 2.000 00535 |
| VI | 0.610 5.084 00631 |