5/16-18 x 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate KPOHC These 10-24 x 1 1/4

These 10-24 x 1 1/4 Slotted Pan Machine Screws are fully threaded and made of zinc-plated steel

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

Its zinc yellow coating offers corrosion resistance

this screw blends seamlessly into assemblies

It has a hex head with an indented drive for increased torque and a 1/4-20 thread size

5/16-18 x 4 Six Lobe Flat Floor Board Screw Type F Black Phosphate KPOHC These 10-24 x 1 1/45 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