8-11 x 2 1/2 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide M6-2.5 They are made of zinc-plated

They are made of zinc-plated steel

It has a full contour head and is fully threaded

The 18-8 stainless steel material provides excellent corrosion resistance and strength

8 grade rating indicates its ability to withstand high levels of stress and torque

The 4-40 x 3/8 Phillips Flat Undercut Machine Screw is a fully threaded screw made of 18-8 stainless steel

8-11 x 2 1/2 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide M6-2.5 They are made of zinc-plated8 11 x 2 1 2 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 ideal for a variety of applications, including construction, carpentry, and home improvement. **Features:** * Steel construction for