| Gauge / Metric (d) | dk | k | n (nom) | t (min) |
| #2 (2.2) | 4.20-3.90 | 1.35-1.15 | 0.60 | 0.55 |
| #4 (2.9) | 5.60-5.30 | 1.75-1.50 | 0.80 | 0.75 |
| #6 (3.5) | 6.90-6.54 | 2.10-1.85 | 1.00 | 0.95 |
| #7 (3.9) | 7.50-7.14 | 2.25-2.00 | 1.00 | 1.05 |
| #8 (4.2) | 8.20-7.84 | 2.45-2.15 | 1.20 | 1.15 |
| #10 (4.8) | 9.50-9.14 | 2.80-2.50 | 1.20 | 1.35 |
| #12 (5.5) | 10.80-10.37 | 3.20-2.85 | 1.60 | 1.55 |
| #14 (6.3) | 12.50-12.07 | 3.65-3.30 | 1.60 | 2.20 |
| Advised Length in Inches | Actual Length in Millimetres |
| 3/16" | 4.5 |
| 1/4" | 6.5 |
| 5/16" | 8.0 |
| 3/8" | 9.5 |
| 1/2" | 13 |
| 5/8" | 16 |
| 3/4" | 19 |
| 7/8" | 22 |
| 1" | 25 |
| 1.1/4" | 32 |
| 1.1/2" | 38 |
| 1.3/4" | 45 |
| 2" | 50 |
| 2.1/4" | 55 |
| 2.1/2" | 60 |
| 2.3/4" | 70 |
| 3" | 80 |
| 3.1/2" | 90 |
| 4" | 100 |
