Key features

• •NPT Tap and Die Set - Made of high-quality carbon steel, cleanly and efficiently cuts internal threads,for clean and or re-thread damaged or jam pipe threads
• •Meet Diverse Size Needs: This NPT tap set includes 5 pipe sizes - 1/8", 1/4", 3/8", 1/2" and 3/4" to meet various pipe thread processing needs
• •High-Efficiency Thread Cutting Tool: Round shank with square end, with precision ground threads, right-hand cutting type, straight groove design, stable cutting, and smoother chip removal
• •Easy Storage: The hand threading plumbing tap set are neatly arranged in a smooth plastic box, which not only prevents rust but also keeps them organized for easy access when needed
• •Safe and Multifunctional: NPT thread design can be used in a variety of materials, carbon steel, cast steel, cast iron, brass, cast aluminum, cast magnesium, cast zinc, etc., to establish a safe, leak-free connection between pipes or fittings. Provides reliable performance for pipeline, automotive and construction applications
• •Note: When using NPT thread taps, you must use "lubricating oil", which not only improves tapping efficiency, but also extends the service life of the product