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.

Flange bolts, Zinc plated grade 8 steel yellow, 5/8"-11 x 1-1/2"

Non-serrated full thread grade 8 hex flange bolts

Full thread

A hexagonal head for use with a wrench. These bolts are sometimes called Frame bolts. Meets IFI-111 (2002).

Matching Products

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Prod. # Description Buy
17638
Flange nuts serrated, Zinc plated grade 8 steel yellow, 5/8"-11
A nut with a built in washer which is serrated to resist loosening.
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$0.70 each
$13.92 / 25
$124.00 / 250

See also

Flange bolts

Metric flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.