5/16-12 x 3 Phillips Flat Self Drilling Screw Full Thread Zinc & Bake WEIY They are zinc plated for

They are zinc plated for corrosion resistance

The prongs are then bent over to secure the nut in place

It is designed for use in truss applications

Its heavy-duty construction ensures exceptional durability and reliability

The screw is 4 inches long and has a diameter of 5/16 inches

5/16-12 x 3 Phillips Flat Self Drilling Screw Full Thread Zinc & Bake WEIY They are zinc plated forThe 5 16 12 x 3 Phillips Flat Self Drilling Screw Full Thread Zinc & Bake is a versatile and durable fastener designed for a wide range of applications. It features a sharp point that allows it to penetrate metal without the need for pre drilling, making it ideal for use in sheet metal, roofing, and other metalworking projects. The full thread design provides maximum holding power, while the zinc and bake coating offers excellent corrosion resistance.