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Threaded Insert Outer Diameter In The Free State (UNC)
| Nominal Diameter |
Pitch (mm) |
Drill Bit Diameter (mm) |
Drilling Diameter | Tap | Outer Diameter In The Free State | ||
|---|---|---|---|---|---|---|---|
| min. | max. | Min Outer Diameter |
min | max | |||
| 2-56 | 0.453 | 2.4 | 2.30 | 2.50 | 2.77 | 2.8 | 3.0 |
| 3-48 | 0.529 | 2.7 | 2.65 | 2.80 | 3.20 | 3.2 | 3.5 |
| 4-40 | 0.635 | 3.1 | 3.00 | 3.15 | 3.67 | 3.6 | 4.0 |
| 5-40 | 0.635 | 3.4 | 3.33 | 3.50 | 4.00 | 4.0 | 4.4 |
| 6-32 | 0.794 | 3.8 | 3.68 | 3.89 | 4.54 | 4.5 | 4.9 |
| 8-32 | 0.794 | 4.4 | 4.34 | 4.52 | 5.20 | 5.2 | 5.6 |
| 10-24 | 1.058 | 5.2 | 5.06 | 5.28 | 6.20 | 6.2 | 6.6 |
| 12-24 | 1.058 | 5.8 | 5.72 | 5.92 | 6.86 | 6.8 | 7.2 |
| 1/4-20 | 1.270 | 6.7 | 6.62 | 6.86 | 8.00 | 8.0 | 8.4 |
| 5/16-18 | 1.411 | 8.4 | 8.24 | 8.49 | 9.77 | 9.7 | 10.2 |
| 3/8-16 | 1.588 | 10.0 | 9.89 | 10.12 | 11.59 | 11.5 | 12.0 |
| 7/16-14 | 1.814 | 11.6 | 11.51 | 11.78 | 13.47 | 13.4 | 14.0 |
| 1/2-13 | 1.954 | 13.2 | 13.12 | 13.40 | 15.24 | 15.2 | 15.8 |
| 9/16-12 | 2.117 | 14.9 | 14.75 | 15.03 | 17.04 | 17.0 | 17.6 |
| 5/8-11 | 2.309 | 16.5 | 16.38 | 16.68 | 18.88 | 18.9 | 19.5 |
| 3/4-10 | 2.540 | 19.8 | 19.60 | 19.91 | 22.35 | 22.4 | 23.0 |
| 7/8-9 | 2.822 | 23.0 | 22.84 | 23.18 | 25.89 | 26.0 | 26.7 |
| 1″-8 | 3.175 | 26.4 | 26.09 | 26.47 | 29.53 | 29.6 | 30.4 |
| 1″ 1/8-7 | 3.629 | 29.5 | 29.36 | 29.74 | 33.29 | 33.4 | 34.4 |
| 1″ 1/4-7 | 3.629 | 32.8 | 32.54 | 32.92 | 36.46 | 36.7 | 37.7 |
| 1″ 3/8-6 | 4.234 | 36.2 | 35.84 | 36.35 | 40.42 | 40.6 | 41.7 |
| 1″ 1/2-6 | 4.234 | 39.5 | 39.02 | 39.53 | 43.62 | 43.9 | 45.0 |
All information is strictly informative
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