Diameter: 1-1/8" Diameter 2: 1-7/8" Thickness: 1-3/16" Material: Steel Finish: Yellow Zinc Driver Type: 1-11/16" Wrench Thread Size: 7 (Coarse) Hardness: Grade 8 Style: Nylon Insert Type: Lock Nut Box of 5. A lock nut is a nut that resists loosening under vibrations and torque.
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