Specifications
| Thread diameter (d1) | UNF 1/4, UNF 1.3/8, UNF 1/2, UNF 3/4 |
| Brand | Phantom |
| Tool material | HSS |
| Standard | ISO 529 |
| Surface | Ground blank |
| Socket type | Cylindrical with square |
| Cutting direction | Right |
| Tolerance d1 (Tol. d1) | 2B |
| Thread diameter (d1) | UNF 1/4, UNF 1.3/8, UNF 1/2, UNF 3/4 |
| Brand | Phantom |
| Tool material | HSS |
| Standard | ISO 529 |
| Surface | Ground blank |
| Socket type | Cylindrical with square |
| Cutting direction | Right |
| Tolerance d1 (Tol. d1) | 2B |