A lock nut is a nut that resists loosening under vibrations and torque.
Diameter: #10
Diameter 2: 7/16"
Thickness: 15/64"
Material: Steel
Finish: Zinc
Driver Type: 3/8" Wrench
Thread Size: 24 (Coarse)
Hardness: Grade 2
Style: Nylon Insert
Type: Lock Nut
Diameter: 3/8"
Diameter 2: 21/32"
Thickness: 15/32"
Material: Steel
Finish: Zinc
Driver Type: 9/16" Wrench
Thread Size: 16 (Coarse)
Hardness: Grade 2
Style: Nylon Insert
Type: Lock Nut