Midwest Fastener

1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts 6PK

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Key Features
  • System of Measurement: Inch
  • Nut Style: Flange Lock Nut
  • Basic Material: Steel
  • Fastener Finish: Zinc Plated
  • Finish: Zinc
  • Type: Flange Nut
  • Material: Steel
  • Thickness: 15/32"
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Pk of 6
Must order in multiples of 3
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Dia./Thread Size 1/2"-20
Thread Size 20 (Fine)
Diameter 2 1-1/32"
Diameter 1 1/2"


System of Measurement Inch
Nut Style Flange Lock Nut
Basic Material Steel
Fastener Finish Zinc Plated
Finish Zinc
Type Flange Nut
Material Steel
Thickness 15/32"
Driver Type 3/4" Wrench
Style Serrated


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.

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