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Our metric size Stainless Steel Hex Flange Nuts are made of Grade 316 austenitic stainless steel with exceptional corrosion resistance in many aggressive environments. Our fractional size Stainless Steel Hex Flange Nuts are made of Grade 316 austenitic stainless steel with exceptional corrosion resistance in many aggressive environments.

Spiralock Stainless Steel Hex Flange Nuts accept standard male fasteners and bring multiple benefits to assembly applications. These nuts eliminate the need for other locking devices, minimize galling, and offering a substantial reduction in the potential for fatigue failure compared to standard threads.

Spiralock Stainless Steel Hex Flange Nuts are compatible with standard 4g6g, 6g, and MJ class of fit bolts.

Spiralock nuts conform dimensionally to ISO and ANSI standards.

Fast Facts:

  • Stainless Steel provides exceptional corrosion resistance.
  • Features the Spiralock proprietary wedge ramp female thread.
  • Offers improved integrity and reliability of threaded joints.
  • Self-locking thread technology eliminates need for other locking devices.
  • Available in a wide range of metric sizes.
  • Available in standard and made-to-order styles.

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The availability of the products described on this site, and the product descriptions, may vary from country to country. Consult your STANLEY Engineered Fastening Account Executive or your local distributor for specific product information.