hk cr firmware

RELATED FAQS

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The three most common steel types are cold rolled steel, galvannealed steel, and galvanized steel. Cold Rolled Steel (CRS) is suitable for most interior applications, is uncoated steel a...
Factory finished painted doors are available from Steelcraft. Frames "are not available" factory finished from the factory. Doors are offered in variety of standard colors or can be fini...
The RU lock can be requested as a retrofit for early Corbin Russwin Unit locks.  Several types of strikes are offered depending on the strike conditions but two are very similar with the e...
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
CRS, Galvanized, Galvannealed
CRS; steel types
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.