Drill Bits / 45/64 Diameter
45/64" Drill Bits for:
1/2 NPT Drill Size
What size drill bit for 1/2 NPT Tap?
A 45/64" drill bit (.7031" diameter) is the correct drill bit for 1/2-14 NPT pipe taps which have 14 threads per inch. The 1/2 NPT is a tapered thread designed for a seal. The 1/2-14 NPT thread is one of the most popular thread sizes used in liquid and gas plumbing applications. It is used in homes, commercial buildings, and industrial businesses for water plumbing and compressed air systems.
Here is a summary of the features of the 45/64 drill bit size:
- 45/64" (0.7031" or 17.86mm) cutting diameter.
- Made in the USA from cobalt.
- Drill Points: 135 degree included angles.
- Cutting Edges: 2 flutes.
- Drill Lengths: Silver & Deming.
- Coatings: Gold Oxide.
Please note the quantities on hand. We have live inventory, so your orders can ship today before 4:30 EST.
