S8344 M68/M54 thread to 2INCH with fast coaxial locking

S8344 M68/M54 thread to 2INCH with fast coaxial locking

S8344-1, M54X0.75 external thread turned 2 inches, extended 17mm
S8344-2, M54X0.75 internal thread turned 2 inches and extended by 15mm
S8344-3, M68X1 external thread turned 2 inches, extended by 18mm