For many of us Canadians, getting Phillips head screws is a challenge, as usually the only thing available from the home centers are Robertson head screws.
I found Lowes in Canada carries a good variety of Phillips head screws (oval head, pan head, #4 - #10, varying lengths, etc), including stainless steel.
Good to know ... I've ordered stainless from Florida. Like you said, Robertson only here.
Prince Edward Island'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.