FJWP Pin x Box Steel Thread protectors
FJWP Thread protectors used for protecting the drilling tools like washover pipe FJWP thread and TSWP thread,available size 11.750",10.750" and 8.125" etc
The washover pipe adopts two stage offset trapezoidal short tooth synchronous threads (FJWP) and two stage regular rectangular short tooth synchronous threads (TSWP) as the connecting threads
washover pipe is a special tool used in casing milling process to mill stuck drilling tools to remove downhole stuck accidents. In order to ensure safe operation, sleeve milling pipes are generally made of high-strength alloy steel pipes.