Your Source for Locknuts

Lok-Mor, Inc. has been setting the standards for locknut quality since 1982. Our dedication to manufacturing the highest quality products and providing the highest level of customer service has set us apart for over 30 years. We manufacture and stock 20 different locknut products to meet any application need you may have. In order to maintain the highest quality standards all manufacturing processes, locking and testing is completed in the U.S.A at our facility in Mansfield, TX.

Within our inventory you will find the ANCO® Pn-Loc®, Dura-Flex®, Tri-Loc®, Hex-Loc®, N-Loc Nylon Insert, C-Loc Collar Lock, Dome-Loc®, O-Loc Oval Lock, 360-Loc®, S-T Loc, Columbia, Dbl-Loc®, Pel-Loc, Mar-Loc Marsden Type, Drake, Key-Loc, Spn-Loc®, 360-Dome and Flange Tri-Loc®.

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Anco Pn-Loc

The Original Structural Locknut

The ANCO Pn-Loc is manufactured ONLY by Lok-Mor, Inc., Mansfield, TX
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Custom Works

Quick Delivery – High Quality

We can manufacture your special machined parts to print or per sample…
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A2LA Accredited

A2LA Accredited Laboratory

We take great pride in the quality of our products and meeting our customer’s needs.
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Contact Us

Toll Free 800-843-7230

Local Metro 817-477-0232

Fax 817-453-2923


661 Airport Drive

Mansfield, Texas 76063

American Made Quality