FAQ : What Nails Do I Use On Real Cedar Siding? - Realcedar.com
What type of nails should be used on cedar siding
Video Description
We recommend that Western Red Cedar siding be nailed with ring shank siding nails that have blunt tips, textured heads, and thin shanks.
See more here: https://www.youtube.com/watch?v=83W_3NAIw6g