E398 - 1/2 UNF Dormer HSS-E-PM Spiral Flute Tap - TiCN Coated
E398UNF1/2
E398
Thread size UNF 0.5 inch - 20 TPI, with thread tolerance class 93707, and maximum threading depth 1.25 inches. Unique Powder Metallurgy HSS-E PM substrate provides excellent combination of toughness and edge hardness.
| Thread Diameter Size (TDZ) | 1/2 |
| Pitch (TPI) | 20 |
| Thread Diameter (TD) | 12.70mm |
| Overall Length (OAL) | 110.0mm |
| Thread Length (THL) | 18.0mm |
| Shank Diameter (DCON MS) | 9.00mm |
| Square Diameter (WSC) | 7.00mm |
| Square Length (LSC) | 10.0mm |
| Number Of Flutes | 3 |
| Premachined Hole Diameter (PHD) | 11.50mm |
| Usable Length (LU) | - |
E398UNF1/2 E398 - 1/2 UNF DORMER HSS-E-PM SPIRAL FLUTE TAP - TICN COATED