B1/2-20 x 5 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR APRWB which is a cross-shaped recess

which is a cross-shaped recess that accepts a Phillips screwdriver

they are corrosion-resistant and ideal for use in areas with moisture or humidity

They are full thread and have a sharp point that drills its own pilot hole

and they are commonly used in projects involving wood

B1/2-20 x 5 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR APRWB which is a cross-shaped recessB1 2 20 x 5 MS90727 is an Alloy Steel B1821 Fine Cap Screw that conforms to the specifications of ASTM A354BD. It has a nominal diameter of 1 2 inch, a thread pitch of 20 threads per inch, and a length of 5 inches. The screw is zinc plated with a yellow chromate finish and meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS). It is commonly used in aerospace and other high performance applications where strength and