Coarse threaded screws are for attaching Gyprock to soft wood (pine) framing.
The coarse thread provides a better key in softwood than a fine threaded screw.
Description
Bugle Head Screws Coarse Thread Box 1000.
These screws are for attaching Gyprock to soft wood (pine) framing.
The coarse thread provides a better key in softwood than a fine threaded screw.