
NUT 1/4P 60°
1/8P UN SCREW
B
B A A
L L
I.C. I.C. MULTITOOTH STANDARD
| PITCH | CATALOG | NUMBER | DIMENSI | ONS | ||
| TPI | RIGHT HAND | LEFT HAND | L mm | I.C. | A | B |
| 7 | UN 7 IR22 | UN 7 IL22 | 1.6 | 2.3 | ||
| 6 | UN 6 IR22 | UN 6 IL22 | 22 | 12.70 | 1.6 | 2.3 |
| 5 | UN 5 IR22 | UN 5 IL22 | 1.7 | 2.4 | ||
| 4.5 | UN 4.5 IR27 | UN 4.5 IL27 | 1.8 | 2.6 | ||
| 4 | UN 4 IR27 | UN 4 IL27 | 27 | 15.875 | 2.0 | 2.8 |
| PITCH TPI | TEETH | CATALOG NUMBER RIGHT HAND | ANVIL | L mm | DIMEN I.C. | SIONS A | B |
| 20 | 2 | UN20 2M IR16 | 1.6 | 2.6 | |||
| 16 | 2 | UN16 2M IR16 | IS16M | 16 | 9525 | 1.6 | 2.4 |
| 14 | 2 | UN14 2M IR16 | . | 2.2 | 3.8 | ||
| 12 | 2 | UN12 2M IR16 | 2.1 | 2.6 | |||
| 16 | 3 | UN16 3M IR22 | 3.0 | 4.6 | |||
| 12 | 2 | UN12 2M IR22 | IS22M | 22 | 12.70 | 2.5 | 3.7 |
| 12 | 3 | UN12 3M IR22 | 3.4 | 5.2 | |||
| 8 | 2 | UN8 2M IR27 | IS27M | 27 | 15.875 | 2.8 | 4.4 |