Grade 8 Hex Head Cap Screw - 5/16-18 Fully Threaded - GID 1 1UE53 - Length 3/4 in.
When your project requires the highest-strength graded bolts, these fasteners meet SAE J429 and ASME B18.2.1 and have a Rockwell hardness rating of C33 to C39. They also have a minimum tensile strength of 150,000 PSI. All cap screws have right hand threads. Use with Grade 8 nuts. Sold in boxes of 100.
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