47.5 Degree Threads
| SIZE | TPI | EXTERNAL | INTERNAL | DRILL SIZE | DRILL SIZE | ||||
| MAJORS | MINORS | CLEARANCE HOLE | TAPPED HOLE | ||||||
| INCH | MM | INCH | MM | INCH | MM | INCH | MM | ||
| 0 | 25.400 | 0.2360 | 5.99 | 0.1890 | 4.80 | 1/4 | 6.35 | # 9 | 5.10 |
| 1 | 28.222 | 0.2090 | 5.31 | 0.1660 | 4.22 | # 2 | 5.61 | 11/64 | 4.50 |
| 2 | 31.358 | 0.1850 | 4.70 | 0.1470 | 3.73 | # 10 | 4.91 | # 24 | 4.00 |
| 3 | 34.795 | 0.1610 | 4.09 | 0.1270 | 3.23 | 11/64 | 4.37 | # 29 | 3.40 |
| 4 | 38.485 | 0.1420 | 3.61 | 0.1110 | 2.82 | # 27 | 3.66 | # 31 | 3.00 |
| 5 | 43.051 | 0.1260 | 3.20 | 0.0980 | 2.49 | # 30 | 3.26 | # 38 | 2.65 |
| 6 | 47.925 | 0.1100 | 2.79 | 0.0850 | 2.16 | # 33 | 2.87 | # 43 | 2.30 |
| 7 | 52.917 | 0.0980 | 2.49 | 0.0750 | 1.91 | # 37 | 2.64 | # 46 | 2.05 |
| 8 | 59.070 | 0.0870 | 2.21 | 0.0660 | 1.68 | # 43 | 2.26 | # 50 | 1.80 |
| 9 | 65.128 | 0.0750 | 1.91 | 0.0560 | 1.42 | # 48 | 1.93 | # 53 | 1.55 |
| 10 | 72.571 | 0.0660 | 1.68 | 0.0500 | 1.27 | # 50 | 1.78 | # 55 | 1.50 |
| 11 | 81.900 | 0.0591 | 1.50 | 3/64 | 1.20 | ||||
| 12 | 90.900 | 0.0511 | 1.30 | # 57 | 1.05 | ||||
| 13 | 102.000 | 0.0472 | 1.20 | # 60 | 0.98 | ||||
| 14 | 109.900 | 0.0394 | 1.00 | # 66 | 0.80 | ||||
| 15 | 120.500 | 0.0354 | 0.70 | ||||||
| 16 | 133.300 | 0.0311 | 0.60 | ||||||