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One-inch threaded steel conduit locknut with zinc-plated finish

L.H. DOTTIE

L.H. DOTTIE LNS100 Conduit Locknut 1 in Threaded Steel Zinc Plated

SKU CH-Z90Z-YCM1R

A 1-inch threaded steel locknut with zinc plating secures conduit fittings

  • Product typeCable Management & Conduit
  • 1 in threaded steel locknut secures conduit firmly
  • Zinc plated finish resists corrosion in damp locations
  • Steel construction withstands mechanical stress on runs
  • Conduit fitting locknut simplifies raceway assembly
  • DOTTIE brand trusted by electricians for reliability

Electrical Conduit Locknut

The DOTTIE LNS100 is a one-inch threaded locknut made from zinc-plated steel. It secures conduit fittings to enclosures or junction boxes in electrical installations. The component suits electricians and maintenance crews who need a reliable fastening method for rigid or intermediate metal conduit runs. Buyers requiring non-metallic or metric-threaded alternatives will need a different product.

Zinc Plating and Threading

The zinc coating provides a layer of corrosion resistance for indoor and sheltered outdoor locations. Standard NPT threading ensures compatibility with common conduit bodies and fittings without the need for adapters. The steel construction delivers the mechanical strength to maintain a tight bond under vibration. Installers working in highly corrosive or hazardous-classified areas should verify suitability against local code requirements.

Steel Build and Mounting Implications

The solid steel body resists stripping when tightened with a wrench, supporting a durable connection over time. Its hex profile allows standard tools to apply adequate torque in tight enclosures. The one-inch size matches trade-size conduit and knockout openings in standard boxes. Projects using PVC conduit or smaller trade sizes will require separate locknuts matched to those dimensions.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $187.99
Pricier than about 91% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameDOTTIE
Product typeCable Management & Conduit

Questions about this item

Will the zinc-plated steel locknut need replacement due to corrosion over time?

The zinc plating protects the steel from rust in normal indoor and sheltered outdoor conduit runs; inspect periodically and replace if the coating wears through.

What mechanical limit appears first when the locknut is tightened repeatedly?

The 1-inch threaded steel body can strip or deform if over-torqued, so stop tightening once the conduit fitting seats firmly.

Does the locknut generate heat or noise when conduit carries continuous current?

As a passive threaded fastener it produces no heat or noise regardless of the electrical load inside the conduit.

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