1/2-13 x 1 1/2 Hex Head Cap Screws, Alloy Steel Grade 8, Zinc Yellow Plating (Quantity: 50 pcs) - Coarse Thread UNC, Fully Threaded, Length: 1 1/2 Inch, Thread Size: 1/2 Inch$$Hardware

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 general representation and not an actual picture of the product you will receive Manufactured to ASME B18.2.1 & SAE J429 specifications Tensile Strength: 150,000 psi. min, 1/4 – 1.5 inch diams)You may also like 3/16 X 1/4 300 Series Stainless Steel Structural Blind Rivet, Dome , Plain Finish, .062-.250 Grip Range (Pack of 100).