Fasteners for crank arm

A home owner from NEW YORK says:
Hello, Do you stock the Allen-head fasteners for the 39-022 Crank arm?
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Dave Sr. from SWISCO responded:

Unfortunately, we do not carry Allen head fasteners for the 38-022 operator. Normally a 10-24 thread count pan or flat head screw is used to secure operator to the frame. You will need to go to a hardware store in your area to see if they can supply you with and Allen screw to meet the type you need.

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