Steel Sheet Metal Screw Black Oxide Finish Undercut 82 degrees Flat Head Phillips Drive Type A #8-15 Thread Size 5/8 Length (Pack of 100)

Steel Sheet Metal Screw Black Oxide Finish Undercut 82 degrees Flat Head Phillips Drive Type A #8-15 Thread Size 5/8 Length (Pack of 100) Item model number : 0810APUB Color : black Size : #8-15 The black oxide finish steel sheet metal screw with undercut 82-degree flat head and Phillips drive has a Type A point for forming threads in thin metals between 0.015 and 0.050 thick and resin impregnated plywood. The Type A point has a conical tip and spaced threads. Steel is often used in applications where strength is the primary consideration. The black oxide finish offers mild corrosion resistance and lubricity.The undercut flat head has a flat top with an 82-degree cone-shaped bearing surface and is undercut to a lower head height for use in shallow countersunk holes. The Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to allow the driver to slip out of the head to help prevent over-tightening and damage to the thread or fastener. Sheet metal screws a type of self-tapping screw have threads down the entire length of the shank for tapping and fastening thin material. The point style determines the type of material the screw can be used on such as metal wood or plastic. These screws commonly have a sharp point that helps penetrate the material.