J.LANFRANCO & CIE is a manufacturer of high performance fasteners including all-metal and nylon insert locknuts, clinch nuts and inserts, modular fixtures, bolts and washers.
J.LANFRANCO all-metal locknuts have no plastic inserts. They are suitable for applications under extreme temperatures, corrosive environments effective or those under high levels of vibration. J.Lanfranco all-metal locknuts come in different versions (types) outlined below:
ESL: Dual-slotted, all-metal, reusable slotted self-locking hexagon nuts. Extremely reliable with consistent prevailing torque, and no galling.
ERM: All-metal, reusable self-locking hexagon nuts with double slots & UNC/UNF or Metric moving washer. Time saver nuts with integrated disc spring washers for quick installations and absolute tension maintained under dynamic loads.
THU: Full-height, heavy hex industrial version of the ESL nuts. Feature a robust industrial design and superior resistance to vibration, corrosion, and temperature.
Single Slot Self-locking Hexagon nuts HCB, HCE & HCT. All supplied with ISO 965-2 standard threading. All offered in steel ISO 898-2/ISO 2320 & stainless steel ISO 3506-2/NF E 25-035-2 in different metric diameters, fine pitch, special height, non-standard hexagon on request.
HCB: Single-slotted, extra low height, locking jam nuts.
HCE: Single-slotted, normal self-locking hexagon nuts.
HCT: Reusable one-piece, full-height locknuts ideal for high temperature areas.
GSL: ISO 7042 locknuts offered in metric steel class 8, 10, 12 and stainless steel A2-70 & A4-80
HUS Starnut: Standard deformed thread locking nuts also known as a “top locking” type nuts.
SPR: Hex nuts with crimped, deflected metal ring.
SRF: Top locking style flange nuts in which locking is achieved by deformation of the last thread.
J.LANFRANCO nylon Insert locknuts are self-locking hex nuts with a standard or high temperature nylon ring to generate prevailing torque. Product portfolio includes a full line of metric nylon insert nuts as well as imperial NE, NU, NTU patterns in UNJC & UNJF thread form MIL-8879 or MIL-S-7742. Nylon Insert locknuts come in the following versions (types):
HMP ISO 10511: Low-height metric nylon insert locknuts to ISO 10511.
HUP ISO 7040: Nylon insert locknuts made to all major metric and imperial standards (ISO 7040, IFI 100/107). Available in carbon steel, stainless steel, and exotics. UNJC & UNJF threads are also available.
EUM: Nylon insert self-locking nuts with a free spinning conical washer.
J.LANFRANCO & CIE fasteners are widely used in different industries for automotive/bodywork, vehicle substructures, transportation plant construction, rail vehicles/bogies, energy supply/power plant construction, shipping but also for aerospace and defence applications.
For additional information please consult the Product Description section & the supplied documentation.