5/16-18 x 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate KPOHC this screw is an ideal

this screw is an ideal choice for both indoor and outdoor projects

this screw blends seamlessly into assemblies

They have a trim head that sits flush with the drywall surface

they are suitable for both indoor and outdoor use

The screw is RoHS compliant

5/16-18 x 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate KPOHC this screw is an ideal5 16 18 x 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate Size: 5 16 18 x 4 inches Material: Steel Finish: Black Phosphate Head Type: Six Lobe Flat Floor Board Drive Type: Type F Features: Six lobe drive head for increased torque and reduced cam out Flat floor board head for a flush finish Black phosphate finish for corrosion resistance Ideal for use in flooring, decking, and other wood to wood applications