RIDGID pipe and conduit thread taps are designed to create high-precision internal threads in metals, plastics and woods. They are made from high speed steel having black oxide finish to make right-hand threads on hard materials. These thread taps feature flutes for easy drilling and creating sharp edges. The extended neck provides better reach. Choose from a wide range of these pipe and conduit thread taps, available in 4, 5 and 7 flute variants on Raptor Supplies.