Forepoling Pipes for Pipe roofing or Umbrella Piping system are available in different sizes and steel grades according to the need of the customer. The Pipes are provided with Buttress square threads at its ends. One end of the Pipe is provided with Male threads while the other end has Female threads and as such the Pipes can be joined with each other to form a Pipe line with uniform outside diameter throughout its length. Complete set for Forepoling is available including Starter Casings fitted with Ring Bit Set, Extension Casings, Pilot Bits and Grout Plugs / Adaptors.