“DLH” series is our heavy duty dual lock handles.

Since 2000, most of Hong Kong Housing Authority projects use “DLH’ series.

For window locking purposes, installing only one lower dual lock handle can be considered. One lower dual lock handle can also be installed with one upper or maximum two upper dual lock handle.

DLH

Product Code Product Description Catalogue
DLH-UP “DLH” Upper Dual Lock Handle
DLH-DN “DLH” Lower Dual Lock Handle
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– Dual lock handle must be mounted with proper rivet and aluminum bar screws.

– Dual lock handle can be installed with appropriate stainless steel dual lock keeper. (Please refer to “Keeper” page).

Zinc Alloy

Tensile and bending test report is available upon request.

None

– Do not use strong detergent (i.e. Blench / Alcohol) or erosive penetrant for cleaning purposes.