Elbow 1/8-27 Pipe Thread Fuel x 1/8-27 Pipe Thread Fuel 90 degree Carbon Steel Zinc CoatingThe Elbow 1 8 27 Pipe Thread Fuel x 1 8 27 Pipe Thread Fuel 90 degree Carbon Steel Zinc Coating is a 90 degree elbow connector that allows fluid or gas to change direction between two pipes or tubes. Both ends of the elbow feature 1 8 27 PTF threads, which are compatible with pipes or tubes having the same thread specification. It's commonly used in applications where a sharp turn in piping or tubing is required, such as in hydraulic, pneumatic, or