B1/4-20 x 2 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSH while the slotted hex washer

while the slotted hex washer head allows for easy installation with a hex key or screwdriver

this screw is made of zinc-plated steel for corrosion resistance and durability

and other industrial or DIY projects where a secure and adjustable connection is required

This 8-32 x 2 1/4 inch unslotted indented hex washer head machine screw is fully threaded and made of zinc

B1/4-20 x 2 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSH while the slotted hex washerB1 4 20 x 2 1 2 MS90728 is an Alloy Steel B1821 Coarse Cap Screw conforming to ASTM A354BD standards. It is zinc plated yellow and DFAR compliant. The screw has a diameter of 1 4 inch, a thread pitch of 20 threads per inch, and a length of 2 1 2 inches. It has a hexagonal head with a wrench size of 7 16 inch. The screw is made of alloy steel, which is a high strength material that is resistant to wear and tear. The zinc plating provides corrosion