J. Lanfranco Fastener Systems Inc.
Specialist of Railway Safety Fasteners
Locknuts for Specialty Trackwork, Bridges and Switches. All metal dual slotted locknuts for high vibration and high temperature applications. Locking independent of bolt tension. Installs with standard bolts and tools. Lanfranco locknuts also ensure no galling and are available in both metric and inch from stock up to 2"1/2. Ideal for signals, catenary, rolling stock, Trackwork: Diamonds, Frogs, Joint Bars.
Brands: Manufacturer of J.Lanfranco Dual Slotted Locknuts ESL, ERM & THU