B3/8-16 x 1 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR APUB They feature a modified truss

They feature a modified truss head design that offers a low profile and increased holding power

1/2-13 x 3 1/4 Coarse Thread Socket Head Cap Screw Black DFAR is a type of screw that is used to fasten two pieces of metal together

98 x 6 Metric Phillips Pan Head PT Alternative Fully Threaded Zinc & Bake is a screw with a Phillips pan head and a fully threaded body

and an unthreaded portion below the head that acts as a washer

The slotted head allows for easy installation and removal using a flathead screwdriver

B3/8-16 x 1 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR APUB They feature a modified trussThe B3 8 16 x 1 1 2 MS90728 is an alloy steel cap screw with a coarse thread pitch of 16 threads per inch and a length of 1 1 2 inches. It is manufactured in accordance with ASTM A354BD standards and has a zinc yellow chromate finish for corrosion resistance. The screw is designed for use in high strength applications and is commonly used in the aerospace and automotive industries. It meets the requirements of the Defense Federal Acquisition