Choosing the right nail shank for your application:

Smooth: The Smooth Shank coil nail is used in general applications as concrete mold for construction, top of wood boxes that you need to take it over at the destiny and others were after fixing the nail its point is bended with a hammer.

Ring: The Ring Shank coil nail is indicated for soft wood in natural drying process, where wood fibers keeps modeling it selves to the ring cavities increasing and granting the fixing application.

Screw: The Screw Shank coil nail is indicated for hard wood.

Screw without point: The Screw Shank without point coil nail is indicated for very hard wood avoiding signals of rupture after been fixed.