5/16-18 x 3 Six Lobe Pan Floor Board Screw Type F Fully Threaded Black Phosphate NHHG and has a black oxide

and has a black oxide finish

making it ideal for securing components in a wide range of materials

while the fully threaded design allows for a secure connection

This 3/8-16 x 1 Carriage Bolt is made of durable 18-8 stainless steel and features a fully threaded design for added strength and versatility

It has a Phillips head and a flat thread cutting point

5/16-18 x 3 Six Lobe Pan Floor Board Screw Type F Fully Threaded Black Phosphate NHHG and has a black oxide5 16 18 x 3 Six Lobe Pan Floor Board Screw Type F Fully Threaded Black Phosphate is a type of screw specifically designed for securing floorboards. It features a six lobe pan head with a fully threaded shank. The black phosphate coating provides corrosion resistance and a dark finish. The screw is 3 inches long and has a diameter of 5 16 inches. It is designed to be driven into wood using a six lobe driver bit. This type of screw is commonly used in