5/16"-18 Zinc Plated Steel Square U-Bolts
GRAINGER

Inside Height Inside Width Thread Type Class Number Of Nuts Included Number Of Washers Included Thread Size Type Price
3" 2" Coarse Not Applicable 2 2 5/16"-18 Square U Bolt $3.14
5" 2" Coarse Not Applicable 2 2 5/16"-18 Square U Bolt $6.64