6-13 x 5/8 Phillips Flat No Nibs Deep Thread Screw Type 17 point Full Thread Zinc KPW188 8 grade indicates its high

8 grade indicates its high tensile strength and ability to withstand demanding loads

which means that it has small teeth that help it to grip the metal

10-16 x 3/8 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Oxide is a type of screw that is used to fasten two pieces of metal together

The unthreaded portion of the screw provides a washer-like surface that helps to distribute the load and prevent the screw from pulling through the material

It meets ASTM A307 specifications and is RoHS compliant

6-13 x 5/8 Phillips Flat No Nibs Deep Thread Screw Type 17 point Full Thread Zinc KPW188 8 grade indicates its high6 13 x 5 8 Phillips Flat No Nibs Deep Thread Screw Type 17 point Full Thread Zinc is a screw with a Phillips drive head, a flat head, no nibs, a deep thread, a Type 17 point, and a full thread. It is made of zinc and has a diameter of 6 13 inches and a length of 5 8 inches. This screw is commonly used in construction and manufacturing applications.