- BLACK PHOSPHATE COATING: Resisting rust, corrosion and abrasion, giving screws a sleek look.
- CARBON STEEL: Made of strong carbon steel, strong and not easy to deform or slip.
- COARSE THREAD: Singleline coarse teeth are more suitable for the installation of wood keel.
- SHARP POINT: The sharp point makes it easier to stab the screw into the drywall paper and get the screw started.
- BUGLE HEAD : This shape helps the screw stay in place, without tearing the outer paper layer of the drywall.