Amazon.com: Chenango Supply Stainless 1/2-13 x 2inches Hex Head Bolts (3/4inches to 5inches Lengths Available in Listing), 304 Stainless Steel, 25 Pieces (1/2-13 x 2 : Industrial & Scientific
1/2-13 x 1-1/2" Stainless Steel Carriage Bolts with Hex Nuts and Flat Washers 304 Stainless Steel 18-8 Square Neck Bolts and Nuts Washers, Full Thread, Coarse Thread, 6 Sets: Amazon.com: Industrial & Scientific