Hex Nut

Hex nuts are six-sided fasteners designed to mate with bolts, screws, and threaded rods to create secure, clamped joints. As the most common type of nut, they are available in a variety of configurations to suit different strength, height, and functional requirements.

Available Types

Type	Description
Finished Hex Nut	Standard hex nut with chamfered corners; most common general-purpose nut
Hex Jam Nut	Thin-profile nut used as a lock nut against another nut
Heavy Hex Nut	Larger and thicker than standard hex nuts for higher strength applications
Hex Cap Nut	Hex nut with a domed top for finished appearance and thread protection
Slotted Hex Nut	Features slots for use with cotter pins; commonly used with castle nuts
Wheel Nut	Specialized nut for automotive wheel mounting
Keps Nut (K-Lock Nut)	Hex nut with built-in captive external tooth lock washer
Stainless Steel Hex Nut	Corrosion-resistant option for outdoor and marine applications
Brass Hex Nut	Decorative, corrosion-resistant, and electrically conductive

Applicable Standards – Metric Series

Standard	Description
DIN 934	Hexagon nuts (standard height)
DIN 439B	Hexagon thin nuts with chamfer (jam nuts)
DIN 439A	Hexagon thin nuts without chamfer
DIN 936	Hexagon thin nuts (fine thread)
DIN 1587	Hexagon cap nuts (acorn nuts)
DIN 937	Hexagon slotted castle nuts