Provide the specifications for pipe threading, including quantities, measurements, sizes, and necessary tools and steps.

Here is the information from your notes on pipe threading:

• GI pipe threading specifications:

  • Quantity: 4 pieces
  • Length per piece: 200 mm
  • Total length (from diagram): 15 m
  • Pipe size: $\frac{3}{4}$ inch or 20 mm

• Tools required:

  • Hacksaw
  • Tape measure
  • Pipe wrench
  • Threading die

• Steps for pipe threading:

  1. Measure and mark the pipe.
  2. Cut the pipe.
  3. Thread the pipe.
  4. Remove metal burrs/swarf from the pipe.