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Conical Lock Nut

Steel Class 10 Hardened

DIN 980V / ISO 7042

SKU: 00-NCLH-Z
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Detail & Specs

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DIN 980 Conical Lock Nut Class 10 Steel / Coarse Thread

Prevailing torque hex nuts prevent against loosening due to vibration. This type of all-metal lock nut has a conical shape with an elliptical deformation that is meant to distort the threads of the mating bolt or screw.

The design of this all metal nut provides resistance when tightened down on a bolt thread. The friction between the threads of the nut and the bolt increases the amount of force needed to tighten (and securely lock) the assembly into place.

Also known as all metal lock nut, distorted thread hex nut, prevailing torque nut, stover nut.

Materials + Finishes

Hardened Class 10 metric locking nuts provide a high strength, high tensile fastening solution. Commonly paired with Class 10.9 metric bolts and screws.

Zinc Plated and Yellow Zinc Plated finishes provide corrosion resistance without sacrificing strength. A copper plated finish is best for high-heat applications.

Special Order Variations

Additional Sizes: M36 Additional Finishes: Zinc Flake / 480h salt spray