5/16" Crank handle extensions

A home owner from Morrison Colorado says:

June 1, 2018

In the first picture the threads are below the sill. Need an extension. In the other 2 we are removing the wooden sill and replacing with granite which will make it 3/4" thicker so need extensions for those 2 Windows. I measured these as 5/16, 12 teeth. Also need the hoods that are missing

Dave Sr. from SWISCO responded:

June 7, 2018

Unfortunately, I'm not sure what to recommend for you. Your operator looks like an Andersen brand like our 39-264, which has a 3/8" spline diameter. The problem is, we don't have either a 3/8" or 5/16" handle extension. The closest to it would be the 39-157 with a 11/32" diameter spine size, but I don't think that will work for you. If this is an Andersen window, I recommend contacting them directly.

Andersen Classic Operator Cover

39-152

$6.17

Andersen Split Arm Crank

39-264

$28.77

Casement Window Handle, fits Andersen

39-286

$7.25

2" Extension, 3/8" Spline

39-422

$24.72

2" Crank Handle Extension, 11/32"

39-337

$25.25

4" Crank Extension, 11/32"

39-157

$25.59

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