
NUT 30° 30°
90° 1°47' NPT
SCREW STANDARD
B
B L A A I.C. L T I.C. VERTICAL STANDARD
| PITCH | CATALOG | NUMBER | DIMENS | IONS | ||
| TPI | RIGHT HAND | LEFT HAND | L mm | I.C. | A | B |
| 27 | NPT 27 ER11 | NPT 27 EL11 | 0.7 | 0.8 | ||
| 18 | NPT 18 ER11 | NPT 18 EL11 | 11 | 6.35 | 0.8 | 1.0 |
| 14 | NPT 14 ER11 | NPT 14 EL11 | 0.8 | 1.0 | ||
| 27 | NPT 27 ER16 | NPT 27 EL16 | 0.7 | 0.8 | ||
| 18 | NPT 18 ER16 | NPT 18 EL16 | 0.8 | 1.0 | ||
| 14 | NPT 14 ER16 | NPT 14 EL16 | 0.9 | 1.2 | ||
| 11.5 | NPT 11.5 ER16 | NPT 11.5 EL16 | 16 | 9.525 | 1.1 | 1.5 |
| 8 | NPT 8 ER16 | NPT 8 EL16 | 1.3 | 1.8 |
| PITCH TPI | TEETH | CATALOG NUMBER RIGHT HAND | ANVIL | L mm | DIMEN I.C. | SIONS A | B |
| 11.5 | 2 | NPT11.5 2M ER22 | ES22M | 22 | 12.70 | 2.4 | 3.4 |
| 11.5 8 | 3 2 | NPT11.5 3M ER27 NPT8 2M ER27 | ES27M | 27 | 15.875 | 3.5 3.0 | 5.6 4.8 |
| PITCH | CATALOG NUMBER | DI | MENSION | S | ||
| TPI | RIGHT HAND | L mm | I.C. | A | B | T |
| 27 | NPT27 ER16V | 1.1 | 0.8 | 3.7 | ||
| 18 | NPT18 ER16V | 1.1 | 1.0 | 3.7 | ||
| 14 | NPT14 ER16V | 16 | 9.525 | 1.1 | 1.2 | 3.7 |
| 11.5 | NPT11.5 ER16V | 1.1 | 1.5 | 3.7 |