What J Lanfranco does

J. Lanfranco is a third-generation, family-owned manufacturer of safety-critical self-locking fasteners, founded in 1974 in France and now operating from Hawkesbury, Ontario with manufacturing in Montreal (since 1996) and a U.S. subsidiary opened in 2018. The company produces all-metal dual-slotted locknuts (ESL, ERM, THU and variants), nylon insert locknuts, clinch nuts and inserts, specialty bolts, washers, and modular fixtures, serving military, rail, energy, mining, and industrial OEM customers including Lockheed Martin, Raytheon, Thales, Naval Group, Siemens, Alstom, GE, Suncor, and Lafarge. Its core technology is a proprietary dual-slotted locknut architecture based on depitched (rather than distorted) threads, delivering consistent prevailing torque independent of bolt tension, combined with a 400°C diffused anti-galling surface treatment that guarantees a coefficient of friction of 0.15 ± 0.03. The business model is direct enterprise sales with quote-based pricing (Net 30 terms), supported by sales offices in Canada and France, ISO 9001:2015 and ISO 14001:2015 quality/environmental certifications, NATO Cage Code F6386, and DFARS compliance — a posture optimized for safety-critical procurement rather than volume distribution.

Name

J Lanfranco

Legal name

J. Lanfranco Fastener Systems Inc

Website

https://jlanfranco.com

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

51–100 employees

Short description

J. Lanfranco is a family-owned manufacturer, founded 1974, of proprietary dual-slotted all-metal self-locking locknuts and related fasteners serving safety-critical applications in military, rail, energy, mining, and industrial OEM customers across North America and Europe.

Ownership category

akta.pro rank

Product category

Industrial Self-Locking Fasteners

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722), Precision Turned Product Manufacturing (332721), Machine Shops (33271)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Screw Machine Products (3451), Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Fasteners, Anchors & Connectors (Bolts, Weld Studs, Plates) (IMADACAJ)

akta.pro secondary industry

Fasteners & Joining Consumables (Bolts, Rivets, Welding Wire/Rods, Flux) (IMAJAKAI)

Keywords

• Self-locking locknuts
• Safety-critical fasteners
• Nylon insert locknuts
• Modular fixtures
• Industrial bolt products

Headquarters

HQ city

Hawkesbury

HQ country

Canada

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Fastener Products: Sale of all-metal locknuts (ESL, ERM, GSL, HCB, HCE, HCT, HUS, SPR, SRF, THM, THU), nylon insert locknuts (EUM, HMP, HUP), clinch nuts & inserts (Clanfix, ESF), bolt products, modular fixtures, and washers. One-time product sales with potential for repeat orders.
2. Technical Services: Technical assistance and engineering support for all-metal, self-locking, safety-critical fasteners. Customized solutions for specific requirements.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

J.Lanfranco manufactures and sells safety-critical self-locking fasteners, primarily a broad line of all-metal locknuts (ESL, ERM, THU, GSL, HCB, HCE, HCT, HUS, SPR, SRF, THM), nylon insert locknuts (EUM, HMP, HUP), clinch nuts and inserts (Clanfix, ESF), specialty bolts, modular fixtures, and engineered washers. Sales are direct, quote-based, and supported by engineering assistance and customization for mission-critical bolted joint applications in military, railway, energy, mining, and industrial manufacturing markets.

Product overview

J.Lanfranco is a manufacturer of high-performance self-locking fasteners, primarily locknuts for safety-critical bolted joints. The product portfolio consists of All Metal Locknuts (ESL, ERM, THU, GSL, HCB, HCE, HCT, HUS, SPR, SRF, THM) using a proprietary dual-slotted technology that provides consistent prevailing torque independent of bolt tension, Nylon Insert Locknuts (EUM, HMP, HUP) for standard applications, Clinch Nuts and Inserts (Clanfix, ESF) for sheet metal applications, Bolt Products (specialty turned bolts, T-bolts, metric/inperial bolts), Modular Fixtures (customizable gang channels with integrated locknuts), and Washers. The dual-slotted all-metal locknuts (ESL, ERM, THU) form the core differentiated product line, featuring no galling, no bolt thread damage, and vibration resistance. The company also offers comprehensive surface treatment options including hot-dip galvanized, zinc flake (GEOMET, Magni, Delta Protekt), zinc plate (trivalent and hexavalent), and stainless steel anti-galling treatments.

Differentiator

Problem solved

Functional benefit

Products and services

• ESL Locknut Dual-slotted, all-metal, self-locking hex nut designed for mission-critical bolted joints. Provides reliable, consistent prevailing torque independent of bolt tension, with no galling. Available in size range M2-M60 in steel (Class 8, 10, 12) and stainless steel (A2-70, A4-80).
• ERM Locknut One-piece self-locking nut with integrated disc-spring washer providing quick installations and absolute tension maintained under dynamic loads. Ideal for imperfect bearing surfaces and electrical contacts. Size range M4-M22.
• THU Locknut Full-height, heavy hex industrial version of the ESL locknut with locking slots concentrated on a single plane. Designed for superior resistance to vibration, corrosion, and temperature in robust industrial environments such as mining, cement, and railway track applications.
• GSL Locknut All-metal locknut to ISO 7042. Available in metric class 8, 10, 12 and stainless steel A2-70 and A4-80. Size range M5-M36.
• HCB Locknut Single-slotted, extra-low-height locking jam nut. Size range M5-M48 in steel Class 8, 10, and 12.
• HCE Locknut Reusable one-piece locking jam nut capable of withstanding high temperatures. Designed for terminal posts and electrical panels. Size range M4-M48.
• HCT Locknut Reusable one-piece full-height locknut for high-temperature areas. Size range M3-M48.
• HUS Starnut Standard deformed-thread top-locking type locknut. Size range M3-M36 in Class 8 and 10 steel.
• SPR Locknut All-metal locknut consisting of a hex nut with a crimped, deflected metal ring. Size range M3-M20 in steel Class 5, 6 and A2-70 stainless steel.
• SRF Locknut All-metal locknut. Size range M5-M20 in Class 8 steel and M5-M12 in A2-70 stainless steel.
• THM Locknut Low-profile industrial locknut similar to THU but with much lower height, designed for bolted joints requiring precisely controlled heights in confined spaces. Size range M4-M45.
• EUM Locknut Nylon insert self-locking nut with a free-spinning conical washer. Size range M4-M16.
• HMP Locknut Low-height metric nylon insert locknut to ISO 10511. Available in Class 8 and 10 steel.
• HUP Locknut Nylon insert locknut to ISO 7040 and IFI 100/107 standards. Available in carbon steel, stainless steel, and exotics; UNJC and UNJF threads available.
• Clanfix Blind Insert Dual-slotted, self-locking blind insert for sheet metal bolting applications (where access is limited to one side of the workpiece). Size range M4-M12 in steel.
• ESF Clinch Nut Self-locking, single-slotted clinch nut for use on sheet metal, featuring a reusable locking mechanism and knurled sleeve to prevent turnouts. Size range M4-M8 in Class 8 steel and A4-80 stainless steel.
• Bolt Products Specialty bolts including turned bolts with shoulders and drilled heads (metric and imperial), T-bolts, metric bolts to ISO 4014 and 4017, large diameter metric bolts, metric stainless steel A4-80 bolts from stock, and bolts with special zinc-flake surface treatments (GEOMET, Magni, Delta Protekt).
• Modular Fixtures Customizable channels incorporating vibration-proof locknuts for streamlined installation of panels, windows, exterior shells, and equipment. Manufactured in any length with adjustable nuts. Ideal for areas where manufacturing tolerances affect component integration, especially composite pieces.
• Engineered Washers Comprehensive washer product line including hardened washers to ASTM F436, serrated disc spring washers (metric and imperial), hardened metric flat washers 200HV/300HV/400HV, RCS and CSC disc spring washers (NFE 25-511), 3L and 4L Trep-type washers, and washers to NFE 25514, 25518, ISO 7089, 7092, and 7093.
• Technical and Engineering Support Services Technical sales and engineering assistance supporting product selection, customization, and qualification of self-locking fasteners for safety-critical applications in military, railway, energy, mining, and industrial manufacturing markets.

Quantifiable outcome

• Saved $50,000 in labor and replacement costs over six months on a Class 1 double diamond railway installation
• +5 more outcomes

Named customers22 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators6 records

Recent moves7 records

Expansion highlights4 records

Direct peers

• Sherex Industries: Specialty manufacturer of locking fasteners (Lock-Nut, K-Lock, Stilts) and stampings serving transportation, heavy truck, and industrial OEM customers — directly comparable product family to J Lanfranco's safety-critical locknut portfolio.
• NORD-LOCK Group: Direct competitor in bolt-securing solutions, producing all-metal wedge-lock washer pairs and complementary locking technologies for vibration-critical bolted joints across energy, railway, mining, and heavy industry — the same end-applications J Lanfranco targets.
• Penn Engineering: Global leader in self-clinching fasteners, studs, and sheet-metal inserts. Overlaps directly with J Lanfranco's Clanfix and ESF clinch nut lines and targets similar thin-sheet industrial OEM applications.
• Böllhoff Group: Family-owned fastening technology specialist offering thread-locking products, clinch nuts (RIVKLE), and inserts for sheet metal and structural joints — directly comparable product overlap with J Lanfranco's Clanfix and ESF clinch lines and all-metal locknuts.
• Bossard Group: Global fastening solutions provider combining proprietary fastening products, assembly services, and logistics. Directly comparable to J Lanfranco in serving industrial OEM customers with safety-critical fastener specifications.
• MacLean-Fogg: Manufacturer of specialty fasteners including the Loose-Stop locknut family and engineered components for automotive, electrical, and industrial markets. Closely aligned with J Lanfranco's specialty all-metal locknut focus.

Broad incumbents

• Hilti: Global construction and fastening incumbent offering anchors, screws, and direct-fastening systems. Adjacent incumbent with overlapping safety-critical fastening applications but much broader portfolio than J Lanfranco's locknut focus.
• Würth Group: Largest global fastener and assembly materials distributor and producer, with a broad product range including locking nuts and structural fasteners. Vastly larger scale than J Lanfranco with overlapping industrial customer base.
• Illinois Tool Works (ITW): Diversified industrial manufacturer whose Engineered Components segment includes threaded fasteners, locking nuts, and specialty bolts serving automotive, construction, and heavy industrial markets — broad incumbent with overlapping fastening technologies.
• Stanley Black & Decker: Global tools and industrial fasteners incumbent. Overlaps with J Lanfranco on industrial fastener products and large-OEM customer relationships, though its fastener segment is one part of a much larger diversified portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about J Lanfranco