B1/4-20 x 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR CPG This 1/2" medium split lock

This 1/2" medium split lock washer is hot-dip galvanized for superior corrosion resistance

creating a professional and seamless finish

The screw has a hex head with an un slotted indent and a full thread

This 5/16-18 x 3/8 Coarse Thread Socket Head Cap Screw is made of durable steel and features a black DFAR finish for corrosion resistance

B1/4-20 x 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR CPG This 1/2" medium split lockB1 4 20 x 1 2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR is a 1 4 20 x 1 2 inch cap screw made of alloy steel B1821 and plated with zinc yellow. It meets the requirements of ASTM A354BD and is compliant with the Defense Federal Acquisition Regulation Supplement (DFARS). The cap screw has a coarse thread and a hex head. It is commonly used in various industrial and automotive applications, such as fastening metal