Nuts
Hex nuts, lock nuts, wing nuts, and specialty fasteners.
Hex Nut
The most common nut type with six flat sides for wrench engagement. Used with hex bolts for general fastening.
steelstainless-steelbrass
Lock Nut (Nylon Insert)
Hex nuts with a nylon ring insert that grips bolt threads to prevent loosening from vibration.
steelstainless-steelzinc-plated nylon-insert
Wing Nut
Nuts with two projecting wings for hand tightening without tools. Used where frequent adjustment is needed.
steelstainless-steelbrass