Keps External Tooth Hex Locknut Clear Zinc Cr3 Plating

Keps External Tooth Hex All Metal Locknuts – One-Piece Locking for Faster Assembly

The Keps external tooth hex all metal locknut with clear zinc Cr3 plating is a smart, time-saving fastening solution for applications where speed, consistency, and vibration resistance matter. Often referred to as a K-lock nut, this fastener combines a standard hex nut with a permanently attached external tooth lock washer, delivering dependable locking performance in a single, easy-to-install component.

How Keps Locknuts Improve Holding Power

The external tooth washer is engineered to bite into the mating surface as the nut is tightened. This action creates resistance against loosening caused by vibration, movement, or light shock loads. Because the washer is captive, there’s no risk of forgetting components or misalignment during installation—making Keps locknuts a favorite on assembly lines and high-volume production environments.

Ideal Applications for Keps Locknuts

Keps external tooth locknuts are best suited for light to medium-duty applications where efficiency and reliability are key. They are commonly used in appliances, automotive interior assemblies, HVAC equipment, metal enclosures, furniture, and electrical panels. Their all-metal construction allows them to perform reliably in moderate heat conditions where nylon insert locknuts may not be ideal.

Clear Zinc Cr3 Plating Benefits

Manufactured from carbon steel and finished with clear zinc Cr3 (trivalent chromium) plating, these locknuts offer corrosion resistance for indoor and mildly exposed environments. The Cr3 finish provides a clean, professional appearance while meeting RoHS compliance requirements, making it a safer and more environmentally responsible alternative to traditional Cr6 coatings.

Key Specifications

• Type: Keps (K-lock) external tooth hex locknut

• Material: Carbon steel

• Finish: Clear zinc Cr3, RoHS-compliant

• Locking Feature: Integrated external tooth washer

• Thread Types: UNC, UNF, metric coarse, metric fine

• Sizes: #4-40 to 1/2"-13, M3 to M12

• Standards: ASME B18.16.6, DIN equivalents

Fast, Simple, and Secure

When you need efficient installation without sacrificing holding power, Keps external tooth locknuts deliver strength, convenience, and peace of mind. Contact our fastener experts for sizing help, technical data, or bulk availability.