Hillman 1/2-in x 13 Zinc-Plated Steel Hex Nut in the Hex Nuts department at

Hillman 1/2-in-13 Zinc-Plated Standard SAE Square Nut 880475

Hillman 1/2 Zinc Plated Steel Hex Bolt

Hillman Dowel Nut, 3/8 x 1/2 x 1/4-20-in

Hillman 1/2-in-13 Zinc Plated Standard SAE Hex Nuts 50/Pk 150015

Hillman Hardware Essentials N221-309 2160 Eye Bolt, Zinc Plated at Tractor Supply Co.

Hillman 150015 Coarse Thread Hex Nuts, 1/2-13, 50 Pieces, Hex & Machine Screw Nuts - Canada

Hillman 1/4-in-28 Zinc-Plated Hex-Head Standard SAE Cap Bolts 880578

Everbilt 1/2 in.-13 Stainless Steel Hex Nut (25-Pack) 812140 - The Home Depot

Hillman 1/2-in-13 Galvanized Standard SAE Hex Nut - 50/Pk 810512