Seals drilled holes 0.125"-0.580", Hex size 1/2", plug length 1.36", pointed bottom. 24TPI, hardened 4140 steel.
Tighten into a drilled hole in steel pipe to create a seal, stopping the flow of gas or water. No tapping required. Plugs cut their own threads. Hex head for easy tightening. Custom plugs available.