LICENSE GOVT SUPPLY & SERVICE TRADES JUST FUN CONTACT SITE MAP LINKS
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LICENSE GOVT SUPPLY & SERVICE TRADES JUST FUN CONTACT SITE MAP LINKS |
| To Tap This Size Pipe: | Use This Drill Bit: | (Closest Fractional:) | Decimal Inches: |
| 1/8-27 NPT | Ltr.R | - | .3390 |
| 1/4-18 NPT | 7/16" | 7/16" | .4375 |
| 3/8-18 NPT | 37/64" | 37/64" | .5781 |
| 1/2-14 NPT | 45/64" | 45/64" | .7031 |
| 3/4-14 NPT | 59/64" | 59/64" | .9219 |
| 1-11 1/2 NPT | 1 5/32" | 1 5/32" | 1.1562 |
| 1 1/4-11 1/2 NPT | 1 1/2" | 1 1/2" | 1.5000 |
| 1 1/2-11 1/2 NPT | 1 47/64" | 1 47/64" | 1.7344 |
| 2-11 1/2 NPT | 2 7/32" | 2 7/32" | 2.2188 |