B1-8 x 3 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR 9/16-18 N1610 This 1/4-20 x 4 1/2

This 1/4-20 x 4 1/2 Hex Cap Screw is made of durable 18-8 stainless steel

This 10-32 x 3/8" unslotted indented hex head external Sems machine screw is a full threaded

With its 10-32 thread size and 1/2-inch length

while the full contour truss head provides a secure fit

The bolt has a 3/8-16 thread size and a length of 1 1/4 inches

B1-8 x 3 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR 9/16-18 N1610 This 1/4-20 x 4 1/2B1 8 x 3 1 2 MS90728 is an alloy steel coarse cap screw that meets the specifications of ASTM A354BD. It has a B1821 thread and a zinc yellow chromate finish. The screw is designed for use in high strength applications and is commonly found in automotive, construction, and manufacturing industries. It is known for its durability, corrosion resistance, and ability to withstand high loads. The screw has a hexagonal head that allows for easy installation