1/2"-20x3/4",(FT) USA GRADE 5 Hex Head Cap Screw, ZINC CR+3 (INCH) (QUANTITY: 50) Size: 1/2"-20 | Length: 3/4" | | Fully Threaded

RoHS Compliant - 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)