J.Lanfranco Fastener Systems Inc.

LANFRANCO ESL self-locking nuts provide superior resistance to vibration, extreme temperatures and corrosion. ESL nuts ensure easy installations with standard tools and bolts. Read more...

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J.Lanfranco Fastener Systems Inc.

Modular Fixtures

All metal channels loaded with re-usable all metal locknuts. Length, shape and nut style unlimited.

Steel

Stainless Steel

Aluminum Read more...

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J.Lanfranco Fastener Systems Inc.

Every year the need for energy increases and so do the performance requirements of existing and future installations.

Whether it be resisting loosening caused by vibration or the need for absolutely consistent friction coefficients, Lanfranco offers the technological know how required to let our Energy customers achieve their goals. Read more...

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J.Lanfranco Fastener Systems Inc.

Whether it's a High Speed Train, Metro System or Freight car, there is always one focus: Keep it Moving and Keep It Safe. When considering fasteners involving public safety such as overhead electrification, Lanfranco locknuts have developed a reputation of trust and confidence.

Moving freight in varied climates with exposure to harsh elements and corrosion? No problem, we've been... Read more...

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J.Lanfranco Fastener Systems Inc.

Certified NATO code F6386, Lanfranco locknuts equip many types of military vehicles and equipment: Many missiles, Leclerc Tanks AMX30 & AMX10 as well as their support vehicles.

Also certified by DCN's: Brest, Cherbourg, Lorient, Indret and Toulon. Lanfranco locknuts are also depended on in frigates and aircraft carriers. Others: DNC, Thales, SCA, Panhard and Levassor. Read more...

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J.Lanfranco Fastener Systems Inc.

Lanfranco slotted locknuts have been depended on to perform under the most severe service conditions for 35yrs. Our all metal, single piece design is easy to install, is reusable and will not damage bolts. The ideal choice for mining fasteners, transportation fasteners, nuclear fusion fasteners and a wide range of other applications. Read more...

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APM Hexseal Corp.

APM's patented, pre-assembled SEELBOLTs and SEELSKREWs are pre-assembled to provide both fastening and sealing integrity in a single unit. Read more...

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J.Lanfranco Fastener Systems Inc.

Service proven locking performance with guaranteed values. Unique anti-galling treatment made for stainless steel. Samples for testing ready to ship today! Read more...

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J.Lanfranco Fastener Systems Inc.

Lanfranco all metal self-locking nuts with high temperature nylon insert are rated for applications up to 230°C. These special nylon insert locknuts respect all metric standards including: Read more...

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Nelson Stud Welding

Doncasters Group Ltd. - Fastener Systems manufactures custom locknuts to match your specifications. Read more...

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