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Midwest Fastener Hex Flange Lock Nuts Grade 8 Zinc Plated

Midwest Fastener

Diameter: 3/8"
Diameter 2: 13/16"
Thickness: 11/32"
Material: Steel
Finish: Yellow Zinc
Driver Type: 9/16" Wrench
Thread Size: 16 (Coarse)
Hardness: Grade 8
Style: Lock
Type: Flange Nut

A flange nut has a wide flange at one end that acts as an integrated, non-spinning washer. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface.