8-18 x 5/8 Square Drive Pan Self Drilling Screw Full Thread Zinc WUSS It has a fully threaded

It has a fully threaded body and a Phillips flat 100º drive

It features a hex head for easy driving and a fully threaded body for maximum holding power

and a square head for easy installation with a wrench

These 8 x 1 3/8-inch Phillips bugle head coarse thread drywall screws are made of black phosphate particle board and are designed for use in drywall applications

The 3/8-16 x 1 Hex Cap Screw Grade 2 Non A307 Black Oxide and Oil is a high-quality fastener designed for use in a variety of applications

8-18 x 5/8 Square Drive Pan Self Drilling Screw Full Thread Zinc WUSS It has a fully threadedThese 8 18 x 5 8 square drive pan self drilling screws are full thread and zinc plated. They are designed for use in metal applications and have a sharp point that drills its own hole. The square drive head allows for easy driving with a power drill. The zinc plating provides corrosion resistance. These screws are available in a variety of lengths and can be used for a variety of applications.