Grade 5 Hex Head Cap Screw - 9/16-18 1-3/8" Thread

When your project requires medium-strength graded bolts, these fasteners meet SAE J429 and ASME B18.2.1 and have a Rockwell hardness rating of C25 to C34. They also have a tensile strength of 120,000 PSI. All cap screws have right hand threads. Use with Grade 5 nuts. Sold in boxes of 25.