 Series: American Buttress, External/Internal, RH/LH U-Type
Series: American Buttress, External/Internal, RH/LH U-Type 
| Designation | IC Inscribed Circle Dia. | TPI Threads Per Inch | RE Corner Radius | INSL Insert Length | PDX Profile Distance Ex | PDY Profile Distance Ey | TTP Thread Type | |
|---|---|---|---|---|---|---|---|---|
| 22UIR4ABUT | 0.500 | 4 | 0.016 | 0.866 | 0.374 | 0.091 | Internal | 
| Designation | IC Inscribed Circle Dia. | TPI Threads Per Inch | RE Corner Radius | INSL Insert Length | PDX Profile Distance Ex | PDY Profile Distance Ey | TTP Thread Type | |
|---|---|---|---|---|---|---|---|---|
| 22UER4ABUT | 0.500 | 4 | 0.016 | 0.866 | 0.374 | 0.091 | External | |
| 22UIR4ABUT | 0.500 | 4 | 0.016 | 0.866 | 0.374 | 0.091 | Internal | |
| 27UER3ABUT | 0.625 | 3 | 0.018 | 1.083 | 0.484 | 0.102 | External | |
| 27UIR3ABUT | 0.625 | 3 | 0.024 | 1.083 | 0.461 | 0.122 | Internal |