Traditionally, nylon wedge has to be installed separately on window frame in order to lock the window with cam handle. The design has then be revamped such that nylon wedge is embedded in the cam handle. This makes installation such easier and faster.
Since 2000, most of Hong Kong Housing Authority projects use “CLHS’ series cam handle.
“CLHL” is another version of “CLHS” but with a longer handle.
CLHS
Installation Guideline
– Screw size is 3/16″
– For different extrusion, choice the right size of embedded nylon wedge
Material
Zinc Alloy
Test Report
Tensile and bending test report is available upon request.
Patent
None
Remarks
– Do not use strong detergent (i.e. Blench / Alcohol) or erosive penetrant for cleaning purposes.


