Diameter Thread Threads Length Grade Finish Weight
5 (M5) N/A 0.8 ISO 8 Geomet 500A .0051
Diameter 5 (M5)
Thread 0.8
Grade ISO 8
Finish Geomet 500A
Weight .0051

  • ISO 8
  • Carbon Steel

The Hex Flange Lock Nuts, or Metric Stover Flange Nuts, are crimped like Hex Top Lock Nuts and designed with a built-in washer. The crimped tops provide metal-to-metal gripping strength with male threads to prevent loosening. The washers give the nuts a wider clamping force protecting the material being fastened. This nuts excel in the vibrating world of truck frames. Earnest offers Metric Hex Flange Lock Nuts in property class 8 and 10 strength levels.

  • Top crimp with a built-in washer provides wider clamping area
  • Nut must be wrenched into place
  • Used in high-vibration applications (truck frames)
  • Sizes range from M5 to M16
  • Meets DIN 6926 standards

    • Support 1-800-327-6378