ThreadPro™ NPT Pipe Tap Set

Reliable Threading. Seamless Fit. Built to Last.

The ThreadPro™ NPT Pipe Tap Set is your go-to solution for precise internal pipe threading across a variety of plumbing, automotive, and industrial applications. Featuring 5 essential sizes—1/8", 1/4", 3/8", 1/2", and 3/4"—this set covers a wide range of threading needs for National Pipe Taper (NPT) fittings.

Crafted from high-quality carbon steel, each tap delivers clean, accurate cuts with precision-ground, right-hand threads and 4 straight flutes for optimal chip clearance and smooth operation. The square-end, round shank design ensures compatibility with standard tap handles and maximum control during use.

Designed to create tight, leak-proof connections, this NPT tap set is ideal for rethreading damaged pipes or tapping new ones in plumbing systems, machinery, and construction.

Set Features:

• 5 common NPT sizes: 1/8", 1/4", 3/8", 1/2", 3/4"

• Carbon steel construction for durability and longevity

• Precision-ground threads for clean and accurate cuts

• Packaged in a rugged plastic case for protection and easy organization

ThreadPro™ – Precision where it matters. Reliability you can trust.