1/4"-20x5/8",(FT) GRADE 5 Hex Head Cap Screw, ZINC YELLOW CR+6 (INCH) (QUANTITY: 100) Size: 1/4"-20 | Length: 5/8" | | Fully Threaded

Protected by a Yellow Zinc CR+6 Finish for maximum corrosion resistance, Zinc offers good corrosion resistance in environments not subject to excessive moisture. Core Hardness: 1/4 through 1 in. diameter, all lengths: Rockwell C25 - C34 | 1-1/8 through 1-1/2 in. diameter, all lengths: Rockwell C19 - C30. Surface Hardness: 1/4 through 1 in. diameter, all lengths: Rockwell 30N54 maximum. | 1-1/8 through 1-1/2 in. diameter, all lengths: Rockwell 30N50 maximum. Proof Load: 1/4 through 1 in. diameter, all lengths: 85,000 psi. | 1-1/8 through 1-1/2 in. diameter, all lengths: 74,000 psi. Yield Strength*: - 1/4 through 1 in. diameter, all lengths: 92,000 psi. minimum | 1-1/8 through 1-1/2 in. diameter, all lengths: 81,000 psi. minimum. Tensile Strength: 1/4 through 1 in. diameter, all lengths: 120,000 psi. minimum | 1-1/8 through 1-1/2 in. diameter, all lengths: 105,000 psi. minimum. Elongation* - 14% minimum (all diameters). Reduction of Area*- 35% minimum (all sizes)