Wooden and metal door frame is mitered and has fittings consisting of clamp, adjusting screw and screw-in part with neck

摘要

The whole door frame with wood and rabbet is mitered and has three fittings for adjusting the mitered rabbet cladding..The fittings consist of a clamp (5), a rotary adjusting screw (6) with thread extending the entire length of the screw; and screwed -in part with neck (7) with screw thread at the top. The fitting is placed on the top transverse piece to the left and right, and on the door-frame's inner lining.