Fitting for use on doors and windows, has guide bush having male thread portion that mates with female thread portion in recess formed on lock casing

摘要

The fitting (1) has a guide bush (4) having a male thread portion that mates with the female thread portion (25) on a lock casing (2). The female thread portion is formed by a recess (7) formed on a lock casing (2). A door or window leaf (3) is attached to the lock casing. A cover (5) is provided for the guide bush, and a fuse component (13) is fitted in a groove (28) on the handle (6).