
For Cutting Tap Unified Fine Thread (UNF)
SP
Basic Pitch (+) μm Dia.
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420
P1
| 2B | 2B | 57 | |
| GH1 GH2 | | | |
| PO P1 | | | |
| | | 2BX 3B |
| 3B | 3B 47 | | |
| No.1-72 UNF | | | |
| | | 2B |
| 2B | | 2B 63 | |
| GH1 GH2 | | Internal threads 3B | Internal threads 2B |
| ST | | | Internal threads 1B | |
| | P1 | | |
| 2B | | 68 2B |
| GH1 GH2 | | |
| ROLL | | | |
| P1 | | |
| 3B | | 3B 53 |
| No.3-56 UNF | | |
| 2B | | 71 2B |
| GH1 GH2 | | |
| CARBIDE | | | |
| P1 | | |
| 3B | | 58 3B |
| No.4-48 UNF | | |
| | 2B | 78 2B |
| LONG | GH1 GH2 | | |
| P1 | | P2 |
| 3B | | 60 3B |
| No.5-44 UNF | | |
| HAND, | | 2B | 80 2B |
| TAPS | GH2 GH3 | | |
| P1 | | P2 P3 |
| 3B | | 63 2BX 3B |
| EG (STI) | No.6-40 UNF | | |
| | 2B | 86 2B |
| GH2 GH3 GH4 | | |
| SPECIAL | P1 | P2 | P3 |
| THREADS, | 3B | | 67 3B 2BX |
| No.8-36 UNF | | |
| GAUGES | | 2B | 90 2B |
| GH2 GH3 GH4 | | |
| THREAD | P1 | P2 | P3 |
| MILLS | 3B | | 73 3B 2BX |
| No.10-32 UNF | | |
| | 2B | 98 2B |
| GH2 GH3 GH4 | | |
| DIES | P1 | P2 | P3 |
| 3B | | 77 3B 2BX |
| No.12-28 UNF | | |
| | 2B | 2B 105 |
| GH2 GH3 GH4 GH5 | | |
| CENTER | | | |
| DRILLS | P1 | P2 | P3 |
| 3B | | 81 3B 2BX |
| 1/4-28 UNF | | |
| | | 2B 108 2B |
| Technical | GH2 GH3 GH4 GH5 | | 1B 164 |