B5/8-11 x 2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR BPTB meaning it has 40 threads

meaning it has 40 threads per inch

while the bugle head design countersinks the screw head flush with the surface

These 12-14 x 4 unslotted indent hex washer self-drill screws are made of 18-8 stainless steel

this screw delivers exceptional strength and reliability

B5/8-11 x 2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR BPTB meaning it has 40 threadsThe B5 8 11 x 2 MS90728 is an Alloy Steel B1821 Coarse Cap Screw manufactured to meet the specifications of ASTM A354BD. It features a diameter of 5 8 inches, a length of 2 inches, and a thread pitch of 11 threads per inch. The screw is zinc plated yellow in color and is compliant with the Defense Federal Acquisition Regulation Supplement (DFARS).