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Spread the load placed on the nut over a wider surface area
Non-spinning flange eliminates the need for a washer
Round Top Hex nut with a wide flange
Threads near the top of the nut are intentionally imperfect to add shock and vibration resistance
Grade G plain steel (Grade 8 equivalent)
Description Grade G Plain Steel (Grade 8 Equivalent) Non-Serrated Hex Flange Cone Lock Nuts are nuts with an integral non-spinning washer attached to the nut near the base to distribute the load of a nut over a wider surface area and a rounded top with imperfect threading to prevent loosening from shock or vibration.