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All-Metal Locknuts

ALL-METAL LOCKNUTS

Dual-slotted, all-metal locknuts effective under extreme temperatures, corrosive environments, and intense vibration. Highest performance with no bolt damage or galling.

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Nylon insert locknuts

NYLON INSERT LOCKNUTS

Self-locking hex nuts with a nylon ring to generate prevailing torque. Also available with a high temperature nylon ring.

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Clinch nuts and inserts

CLINCH NUTS AND INSERTS

Self-locking, slotted clinch nuts and inserts for sheet metal bolting applications that require high levels of locking and reusability.

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Modular Fixtures (Gang Channels)

MODULAR FIXTURES

Ideal for streamlining integration of panels, windows, exterior shells, and on-board equipment. Custom-made channels are loaded with vibration-proof locknuts.

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Bolt products

BOLT PRODUCTS

Although best known for our locknuts, J.Lanfranco has become a reliable source for high-quality, specialty bolt products.

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Washers

WASHERS

Washers are usually used with locknuts in safety-critical bolting. We stock a wide range of different washers and can ship them with any locknut or on their own.

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