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1/2 -20 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (12 pcs.)
Diameter: 1/2 Diameter 2: 27/32 Thickness: 39/64 Material: Steel Finish: Zinc Driver Type: 3/4 Wrench Thread Size: 20 (Fine) Hardness: Grade 2 Style: Nylon Insert Type: Lock Nut Box of 12. A lock nut is a nut that resists loosening under vibrations...
$15.79 Delivery: $5.99