GRADE C LOCKNUTS, 5/8-18, NF ZN [50/BOX]

GRADE C LOCKNUTS, 5/8-18, NF ZN [50/BOX]

• Insert Lock Nuts in Zinc Plated Grade C 
• Commonly referred to as Lock Nuts, Nuts, or simply Lock Nuts
• Nylon insert at top of nut prevents accidental loosening from vibration
• Grade C Steel (Grade 8 Equivalent) designed for use with Grade 8 Bolts & Machine Screws
• Zinc plating for easy identification, corrosion resistance and durability