Prime-Line H 3628 Casement Window HINGE, 4 BAR, 12" STANDARD DUTY, STAINLESS

Worm gear driving mechanism inside diecast housing, with steel arm and 3/8" diameter spindle. Used on steel and aluminum-framed windows.

Operator components include: high pressure diecast zinc case; handle and knob in baked enamel finish; hardened steel arm, drive worm and gears are protected with corrosion resistant finish; plastic roller assures smooth operation; operator provides a full 90° window opening and disconnects easily from the sash.

This wood casement operator with track is constructed from steel and comes finished in bronze. It features a worm gear driving mechanism and a steel arm. This type of casement operator is used on wood and vinyl framed windows.

Snap-on cover offers traditional styling and easy replacement. 11/32" drive spline.

Worm gear driving mechanism with steel arm. Teardrop type has 5/16" diameter spindle. Used on steel framed windows.