5/16-18X1 1/2 Hex Cap Screws - Grade 2 - Black Oxide

Manufactured to ASME B18.2.1 & SAE J429 specifications
Tensile Strength: 74, 000 psi (1/4 - 3/4" diameter)
60,000 psi (1/4 - 3/4" diameter, & 7/8 - 1.5" diameter)
Coarse & Fine Threads / Steel Black Oxide