You use screws to install them? The K&V standards come with nails. I'd rather use screws, as I don't like the feeling of banging on my work with a hammer. AND: I just installed some yesterday and the white paint on the nail heads chipped off.
What screws do you use, exactly?
Steven - to address the chipped paint on nail heads. after you finish the job,
put some matching paint in a spoon and dab some paint on the nail head
with a toothpick or Q-tip - whatever works. (even WhiteOut type correction fluid).
when a project comes along that requires a specific color of screw heads,
I find the screws either online or at the Box Store that fits the project.
put them in a small bottle with some acetone, agitate well, spread on paper to dry.
then, get a piece of cardboard, poke it full of holes with a sharp object,
put each screw into a hole, spray paint with the desired color and let dry.
I usually use plain ole RustOleum. (paint a few extra).
if you chip the paint during installation, use the same touch-up technique to fix it.