76mm transition joint connector fittings

transition joint connector fittings of drilling machine 60 76mm Direct transition Measurement method: refers to the connection between the rotator and the cobalt rod The bell mouth joint: refers to the transition joint between the cobalt rod and the impactor. Double male transition joint: generally used for connecting 110 impactor and 76 cobalt rod. Double female transition joint: used for reversing cobalt rod and connecting drill rod and drill rod