The difference between self tapping, self drilling and CSK screws By: Charlenne Woodcock on 19th January 2024 Carpentry Tek Screws A2 Walk through the basic facts and theory of what the difference between self-tap, self-dril and countersunk screws. Featured: Daniel Woodcock Head of Product & Innovation Related posts We're moving from gas to electric-faster, cleaner, no faff. HiKOKI nailers + Multifix nails + Unbeatable service = Unbeatable Drive. Ready to try it on your site? Watch 's story