8-11 x 1 3/4 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide CH188 These self-drilling screws feature a

These self-drilling screws feature a flat head and a 3/4-inch square drive

which allows it to be countersunk below the surface of the material it is being used in

These 2 x 5/16 Round Head Type U Drive Screws are made of zinc-plated steel for durability and corrosion resistance

this hex nut is zinc-plated for corrosion resistance and enhanced durability

These washers are made of black oxide steel

8-11 x 1 3/4 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide CH188 These self-drilling screws feature a8 11 x 1 3 4 Square Phillips Drive Round Washer Deep Thread Type 17 2 3 Thread Black Oxide These screws are made of steel and have a black oxide finish. They have a square Phillips drive and a round washer head. The deep thread type 17 2 3 thread provides a strong hold in wood and other materials. These screws are commonly used in construction, automotive, and other industrial applications.