1/2-20 x 1 3/8 Hex Head Cap Screws, Alloy Steel Grade 8, Zinc Yellow Plating (Quantity: 350 pcs) - Fine Thread UNF, Fully Threaded, Length: 1 3/8 Inch, Thread Size: 1/2 Inch

A grade 8 bolt is stronger than the more commonly used grade 5.,It is made of alloy steel and has six radial lines on the top of the bolt head.,Bolt pictures are a representation and not an actual picture of the product you will receive,Manufactured to ASME B & SAE J429 specifications,Tensile Strength: psi. min, 1/4 1.5 inch diams)