Abstract: A restraining ring and gland for a mechanical joint with a plain plastic pipe end including two semi-circular members securable together by lateral end flanges and having a cylindrical tapered bore having a roughened surface and provided with longitudinally spaced internal annular blunt edged ribs for gripping the plastic pipe without cutting the pipe surface. When the PVC pipe is coupled to iron pipe, one gland is used. When the PVC pipe is connected to a PVC bell or fitting, two glands are used secured together by longitudinal bolts.

Abstract: A set screw pocket drilling device for drilling blind holes in a pipe surface at a pipe joint for set screws holding the joint together including an externally threaded sleeve sized to fit the set screw hole and engage the surface of a pipe within a retainer in which the set screw hole is drilled, a drill fitting through and rotatable relative to the sleeve, and apparatus for rotating the drill relative to the sleeve. One embodiment of the device includes only a sleeve and a drill fitting through the sleeve having an outward end extending from the outward end of the sleeve for engagement of a wrench to rotate the drill and the sleeve.