| Thread Diameter Size (TDZ) | #12 | Tool Type | General Purpose Tap |
| Threads per Inch (TPI) | 28 | Chamfer | 1 to 2 Threads |
| Thread Standard | NF | Coating | Bright |
| Overall Length (OAL) | 2-3/8″ | Flute Type | Straight |
| Thread Cutting Part Length (THL) | 15/16″ | Style | Bottoming |
| Flute Count (NOF) | 4 | Measurement Type | Machine Screw |
| Cutting Edge Material | HSS | Series/List # | 110 |
| Thread Tolerance Class (TCTR) | H3 | Thread Size | #12-28 |