What is the part number for the NEMA Type 1 QO and HOMELINE load center cover mounting screw?
QO and HOMELINE LC
The 3/4" long screw used with flush and combination covers is 4020513002K. The 1/2" long screw used with surface covers is 4020513001K. These cover screws are a special triple lead, thread-forming screw that is only available through authorized Square D distributors. A quantity of 10 screws is provided when ordering either 4020513001K or 4020513002K.