Size: 5/16 inch-18 X 1-1/4 inch | Hex bolt with a serrated circular flange under the head | Flange eliminates need for separate washer | Serrations bite into surface and can help to prevent loosening | Designed for use with a nut (not included) or a threaded hole of the same diameter and thread size | Thread Type: Coarse, Thread Class: UNC-2A, Point Style: Blunt
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Item# : SPM18350625204
Model # : RNAB07BP2G745