IRWIN 1903, High Carbon Steel Taper Pipe Tap for Internal Pipe Threads, 1/4"-18 NPT, 4 Flutes, Bulk

IRWIN 1903, High Carbon Steel Taper Pipe Tap for Internal Pipe Threads, 1/4"-18 NPT, 4 Flutes, Bulk

• This right-hand taper tap cuts internal threads in pipe and pipe fittings for plumbing, maintenance, fabrication, and metalworking applications. Its tapered profile engages progressively as the tap advances into the workpiece and is suitable for use on most metals.
• Features:
  • Right-hand cutting direction for standard internal pipe threading.
  • Nominal tap size corresponds to the pipe fitting being tapped.
  • Tapered at a rate of 3/4" per foot.
  • Suitable for threading most metals.
• Specifications:
  • Manufacturer: IRWIN
  • Part Number: 1903
  • Thread Size: 1/4"
  • Threads Per Inch: 18
  • Thread Standard: NPT
  • Material: High Carbon Steel
  • Tap Style: Taper
  • Number of Flutes: 4
  • Cutting Direction: Right-Hand
  • Packaging Type: Bulk
  • UPC: 042526019036
• The IRWIN 1903 Taper Pipe Tap can also be referred to as 1/4" NPT pipe tap, 18 TPI pipe tap, high carbon steel pipe tap, right-hand pipe threading tap, and four-flute taper tap.

Irwin has produced professional hand tools and power tool accessories since 1885 and became part of Stanley Black and Decker in 2017. The brand serves specialty trades including woodworking, plumbing, electrical work, and metalworking.

Q: How is the IRWIN 1903 packaged?
A: It is sold as one bulk-packaged taper pipe tap.

Q: What does the nominal 1/4" tap size represent?
A: The nominal size corresponds to the pipe fitting being tapped.

Q: What is the taper rate of this pipe tap?
A: The tap is tapered at a rate of 3/4" per foot.