Flange bolts, External hex, Grade 5, 5/16" x 2-1/2"
Flange bolts have a circular flange under the head that acts like a washer to distribute the load. Flange bolts that are non-serrated are sometimes called frame bolts.
Resources
Flange bolts, External hex, Grade 5, 5/16" x 2-1/2" |
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Full thread, SerratedA hexagonal head for use with a wrench. Meets IFI-111 (2002). Serrated heads are designed to resist loosening. |
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See also |
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Metric flange boltsFlange bolts have a flange on the bottom of the head that distributes the load like a washer. |
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