ASME B 18.2.1
Whitworth Civatalar
UNC (Kalın Diş) – UNF (İnce Diş)
Çelik 8.8. Kalite
| d | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1" |
|---|---|---|---|---|---|---|---|---|---|---|
| p UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| p UNF | 28 | 24 | 24 | 20 | 20 | 18 | 18 | 16 | 14 | 12 |
| k | 4.14 | 5.35 | 6.17 | 7.39 | 8.2 | 9.42 | 10.23 | 12.26 | 14.3 | 15.9 |
| s | 11.11 | 12.7 | 14.28 | 15.87 | 19.05 | 20.63 | 23.81 | 28.57 | 33.33 | 38.1 |
| b | 19 | 22 | 25.4 | 28.5 | 31.7 | 35 | 38 | 44.5 | 51 | 57 |
0533 242 37 28 