8-32 x 1/2 Phillips Oval Head Machine Screw Fully Threaded Black Oxide MPFB They are made of 18-8

They are made of 18-8 (304) stainless steel

This 1 1/4-12 x 5 Hex Cap Screw is made of Grade 5 steel and has a zinc coating

These 10-8 x 1 1/4 Bugle Square Drive Coarse Thread Type 17 Point Deck Screws are made of durable 18-8 stainless steel

The 1/2-13 refers to the diameter and thread pitch of the bolt

8-32 x 1/2 Phillips Oval Head Machine Screw Fully Threaded Black Oxide MPFB They are made of 18-8The 8 32 x 1 2 Phillips Oval Head Machine Screw Fully Threaded Black Oxide is a type of screw with a Phillips drive head and an oval head. It is made of steel and has a black oxide finish. The screw is 1 2 inch long and has a diameter of 8 32. It is fully threaded, meaning that the threads extend the entire length of the screw. This type of screw is commonly used in a variety of applications, including woodworking, metalworking, and electronics.