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

Serrated Whiz Locknut (1/2-13)

HILLMAN 321794 1/2-13 x 6-Inch Zinc Plated J-Bolts With Hex Nut at Sutherlands

Hillman 1/2-13 x 1 1/2in Zinc Hex Lag Screw 50pk HF230116 - Acme Tools

Everbilt 1/2-13 in. x 6 in. Galvanized Hex Bolt 805736 - The Home Depot

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

A jam nut is a low profile nut, half as tall as a standard nut. Used as a type of locknut where it is jammed up against a standard lock nut to lock

The Hillman Group 43809 M8-1.25 Metric Hex Jam Nut, 20-Pack, Zinc

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

PFC 1/2-13 NC Grade A Finished Hex Nuts Hot Dip

Hillman M12-1.75 mm Zinc-Plated Steel Metric Hex Nut 50 pk - Ace