Lock nuts resist loosening from vibration and movement, providing a more secure hold than a standard nut in dynamic applications.
Nominal Size: 5/16"
Thread: 18 TPI (Coarse)
Width Across Flats: 1/2"
Height: 17/64"
Across-Corners Size: 9/16"
Material: Steel
Finish: Zinc
Hardness: Grade 2
Style: Kep
Type: Lock Nut
Washer Diameter: 19/32"
A lock nut is a nut that resists loosening under vibrations and torque.