Cylinder lock forend with screw grooves uses dovetail grooves for T- or countersunk screw head for push-on forend in nonreleasable securement.

摘要

The cylinder lock forend (2) has two dovetail grooves (3) for the screw head. The milled grooves take the T- or countersunk screw head. The forend is simply pushed over the screw head and so fixed into place.