$66.80
Check on amazon3/8-16 Thread Flange Nut Serrated, Steel, Black Zinc Finish by Metal Spacers Online (250 Pack)
$29.99
Check on amazon3/8-16 Threaded Brass Inserts for Wood 5/8 Barrel Platte River 123-425 (10-Pack)
$16.99
Check on amazon3/8-16 to 1/4-20 x 1 Long Coupling Reducer Nut, Reducer Hex Coupling Nuts with Zinc Plate, Nut Reducer (12)
$28.31
Check on amazon3/8-16 x 1-1/4 Hot Dipped Galvanized Carriage Bolt, Grade A, Full Thread, Quantity 50 - by Fastener Depot, LLC
$25.97
Check on amazon3/8-16 x 10 Hot Dipped Galvanized Carriage Bolt w/Nuts & Flat Washers, Grade A, 6 of Thread, Quantity 25 - by Fastener Depot, LLC
$53.96
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