1/4 inch x 2-1/2 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 100 pcs) Made in USA, 1/4-20 x 2 1/2 Hex Bolt/Coarse Thread/Partially Threaded 0.75 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 0.75 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)