Irwin Hanson 1904ZR NPT Taper Pipe Tap - 3/8-18

The Irwin Hanson 1904ZR is a high-quality taper pipe tap designed for cutting precise internal NPT (National Pipe Thread) threads in pipe fittings and applications. This 3/8-18 NPT tap features the standard taper rate of 3/4 inch per foot, ensuring proper thread engagement and seal in threaded pipe connections.

Key Features:

• 3/8-18 NPT thread specification for standard pipe fitting applications
• Taper design with 3/4 inch per foot rate for proper pipe thread engagement
• Cuts clean, accurate internal threads in pipe fittings and compatible materials
• Nominal size corresponds to the pipe fitting being tapped, not the actual tap diameter
• Constructed from high-quality tool steel for durability and long service life
• Ideal for plumbing, hydraulic, and pneumatic applications

This taper pipe tap is essential for creating leak-resistant threaded connections in pipe systems. The NPT taper thread design creates a mechanical seal when properly assembled with pipe thread sealant or tape, making it the standard for pressure-tight joints in North American plumbing and industrial applications.