C318 Cnau Tiwb Di-fflach SAE# 080110 SAE J514 Ffitiadau haearn di-fflach 27105
| C0318-02 | 1/8 | 5/16-24 | 0.53 | 0. 130 | 0. 375 |
| C0318-03 | 3/16 | 3/8-24 | 0.61 | 0. 193 | 0. 438 |
| C0318-04 | 1/4 | 7/16-20 | 0,70 | 0.255 | 0. 562 |
| C0318-05 | 5/16 | 1/2-20 | 0.72 | 0. 318 | 0.625 |
| C0318-06 | 3/8 | 9/16-18 | 0,75 | 0. 380 | 0.688 |
| C0318-08 | 1/2 | 3/4-16 | 0.84 | 0.505 | 0.875 |
| C0318-10 | 5/8 | 7/8-14 | 0.92 | 0.631 | 1.000 |
| C0318-12 | 3/4 | 1-1/16-12 | 0.97 | 0.756 | 1.250 |
| C0318-14 | 7/8 | 1-3/16-12 | 1.00 | 0.881 | 1.375 |
| C0318-16 | 1 | 1-5/16-12 | 1.05 | 1.006 | 1.500 |
| C0318-20 | 1-1/4 | 1-5/8-12 | 1.05 | 1.260 | 2.000 |
| C0318-24 | 1-1/2 | 1-7/8-12 | 1.03 | 1.510 | 2.250 |
| C0318-32 | 2 | 2-1/2-12 | 1.12 | 2.014 | 2.875 |
