B3/8-16 x 7 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR AQF188 This 4-40 x 9/16 Phillips

This 4-40 x 9/16 Phillips flat machine screw is made of 18-8 stainless steel

The six-lobe drive provides a positive engagement with the driver

With a length of 2 3/4 inches and a diameter of 5/16-18

The 30-degree full thread provides a strong hold in a variety of materials

These 8-18 x 1/2" Unslotted Hex Washer Head Self-Tapping Screws are made of 18-8 stainless steel and have a black oxide finish

B3/8-16 x 7 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR AQF188 This 4-40 x 9/16 PhillipsB3 8 16 x 7 MS90728 is a coarse thread cap screw made of alloy steel B1821 and plated with zinc yellow in accordance with DFAR requirements. It has a diameter of 3 8 inches, a length of 7 inches, and a thread pitch of 16 threads per inch. This cap screw is designed to meet the specifications of ASTM A354BD and is commonly used in industrial and construction applications where high strength and corrosion resistance are required.