Description
Diameter: 5/16″
Diameter 2: 9/16″
Thickness: 17/64″
Material: Steel
Finish: Black Phosphate
Driver Type: 1/2″ Wrench
Thread Size: 18 (Coarse)
Hardness: Grade 2
Style: Top Lock|Type C
Type: Lock Nut
Box of 509.
A lock nut is a nut that resists loosening under vibrations and torque.
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