Description
Boxed National Pipe Thread (NPT) Tap Set - 12pc
Carbon Steel - American Thread
Sizes in this set include: 1/8", 1/4", 3/8", 1/2", 3/4" & 1"
- Each tap size comes as a set of 2 - Includes the plug & taper threads.
Made from quality carbon steel with a well finished ground thread.- We also stock larger sizes in NPT please the NPT section of our website.
- We've designed this set to save you $ - If buying singularly you can view single sizes HERE
NPT Size | TPI | Tap Diameter (inches) | Recommended Drill Size (inches) |
---|---|---|---|
1/8" NPT | 27 | 0.405" | 0.332" |
1/4" NPT | 18 | 0.540" | 0.430" |
3/8" NPT | 18 | 0.675" | 0.561" |
1/2" NPT | 14 | 0.840" | 0.703" |
3/4" NPT | 14 | 1.050" | 0.938" |
1" NPT | 11.5 | 1.315" | 1.156" |