9/16 UNC NUT HT BL GR 5

Thread = 12 TPI Hexagon Across the Flats ( AF ) = 13/16" Grade 5 Nuts 1/2" diameter & larger are becoming obsolete, in future will only be available in Grade 8.

GST Incl
Excl
9/16 UNC NUT HT BL GR 5
N5C916B
Each
$0.4219