Tabel Ulir Baut
Metrik (ISO)
| Ukuran | Pitch kasar (mm) | Bor tap (mm) | Pitch halus (mm) | Bor tap (mm) |
| M1.6 | 0.35 | 1.25 | - | - |
| M2 | 0.4 | 1.6 | - | - |
| M2.5 | 0.45 | 2.05 | - | - |
| M3 | 0.5 | 2.5 | - | - |
| M4 | 0.7 | 3.3 | - | - |
| M5 | 0.8 | 4.2 | - | - |
| M6 | 1 | 5 | - | - |
| M8 | 1.25 | 6.75 | 1 | 7 |
| M10 | 1.5 | 8.5 | 1.25 | 8.75 |
| M12 | 1.75 | 10.25 | 1.25 | 10.75 |
| M14 | 2 | 12 | 1.5 | 12.5 |
| M16 | 2 | 14 | 1.5 | 14.5 |
| M18 | 2.5 | 15.5 | 1.5 | 16.5 |
| M20 | 2.5 | 17.5 | 1.5 | 18.5 |
| M22 | 2.5 | 19.5 | 1.5 | 20.5 |
| M24 | 3 | 21 | 2 | 22 |
Unified (UNC / UNF)
| Ukuran | Diameter (in) | UNC (ulir per inci) | Bor tap (in) | UNF (ulir per inci) | Bor tap (in) |
| #0 | 0.0600 | - | - | 80 | 0.0475 |
| #1 | 0.0730 | 64 | 0.0574 | 72 | 0.0591 |
| #2 | 0.0860 | 56 | 0.0681 | 64 | 0.0704 |
| #3 | 0.0990 | 48 | 0.0782 | 56 | 0.0811 |
| #4 | 0.1120 | 40 | 0.0870 | 48 | 0.0912 |
| #5 | 0.1250 | 40 | 0.1000 | 44 | 0.1023 |
| #6 | 0.1380 | 32 | 0.1068 | 40 | 0.1130 |
| #8 | 0.1640 | 32 | 0.1328 | 36 | 0.1362 |
| #10 | 0.1900 | 24 | 0.1483 | 32 | 0.1588 |
| #12 | 0.2160 | 24 | 0.1743 | 28 | 0.1803 |
| 1/4 | 0.2500 | 20 | 0.2000 | 28 | 0.2143 |
| 5/16 | 0.3125 | 18 | 0.2569 | 24 | 0.2708 |
| 3/8 | 0.3750 | 16 | 0.3125 | 24 | 0.3333 |
| 7/16 | 0.4375 | 14 | 0.3661 | 20 | 0.3875 |
| 1/2 | 0.5000 | 13 | 0.4231 | 20 | 0.4500 |
| 9/16 | 0.5625 | 12 | 0.4792 | 18 | 0.5069 |
| 5/8 | 0.6250 | 11 | 0.5341 | 18 | 0.5694 |
| 3/4 | 0.7500 | 10 | 0.6500 | 16 | 0.6875 |
| 7/8 | 0.8750 | 9 | 0.7639 | 14 | 0.8036 |
| 1 | 1.0000 | 8 | 0.8750 | 12 | 0.9167 |
Cara menggunakan Tabel Ulir Baut
- Cari ukuran metrik atau unified.
- Baca pitch atau ulir per inci, dan bor tap-nya.
Pertanyaan umum
Bagaimana ukuran bor tap dihitung?
Diameter mayor dikurangi pitch (metrik) atau dikurangi 1 / TPI (unified), yang memberi sekitar 75% ulir. Bulatkan ke bor terdekat yang Anda punya.
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