5/8 inch x 3 inch Hex Cap Screw Grade 5 Zinc Yellow Plated Steel (Quantity: 25 pcs) 5/8-11 x 3 Hex Bolt/Coarse Thread/Partially Threaded 1.5 inches of Thread

Hex Cap Screws (also called hex head cap screws, hex bolt, or hex head bolt) Manufactured to ASME B18.2.1 and SAE J429 specifications | Grade 5 Steel | Coarse Thread / Partially Threaded 1.5 inches of Thread | Made from medium carbon steel. You will notice that its hexagon head surface is smooth with no markings | Tensile Strength: 120,000 psi 1/4 thru 1 inch diams, all lengths) - 105,000 psi. (1-1/8 thru 1.5 inch diams, all lengths)