3 1/2" Carbon Steel NPT Pipe Tap

Also called 'pipe taps' - National Pipe Taper (NPT) taps are appropriate for threading a wide variety of materials both ferrous and non-ferrous. Carbon steel NPT pipe taps are designed to clean and or re-thread damaged or jammed pipe threads They are appropriate for threading a wide variety of materials both ferrous and non-ferrous NPT threads require the use of a sealer like teflon tape or pipe compound.