5/8-11 x 4 1/2 Hex Head Cap Screws, Steel Grade 2, Zinc Plating (Quantity: 10 pcs) - Coarse Thread UNC, Partially Threaded, Length: 4 1/2 Inch, Thread Size: 5/8 Inch

Hex Cap Screws (also called hex head cap screws, hex bolt, or hex head bolt) Manufactured to ASME B and SAE J429 specifications,Features a thick, hexagonal head with chamfered threads,Washer face under the head to provide ample bearing surface when tightened with a wrench,Made from low carbon steel. You will notice that it s hexagon head surface is smooth with no markings,Tensile Strength: psi. (1/4 thru 3/4 diams, less than an equal to 6 inches) - psi. (1/4 3/4 diams, greater than 6 inches & 7/8 thru 1.5 inch diams)