Long-Lok Fasteners Corporation

What Long-Lok Fasteners Corporation does

Long-Lok Fasteners Corporation, operating as Long-Lok LLC (Ohio, USA), is a privately held engineered fastener manufacturer founded in 1956 and headquartered in Cincinnati, Ohio. The company is a subsidiary of Novaria Group, a diversified precision-components platform serving aerospace and defense. Long-Lok maintains two US operations centers — Eastern Operations in Cincinnati, OH and Western Operations in Carson, CA — and a representative relationship with RELCOM Components Ltd. in Kibbutz Shefayim, Israel for sales coverage in that market. Its workforce is described at 51-100 employees, and operating status is active. Customers are drawn heavily from large aerospace and defense primes (Boeing, BAE Systems, Northrop Grumman, GE Aviation, Honeywell, Raytheon, Pratt & Whitney Rocketdyne, Goodrich, Hamilton Sundstrand, Meggitt, HR Textron, Eaton, ITT) with a secondary industrial/commercial segment in automotive, agricultural, and general manufacturing.

The company's technical core is a portfolio of ten proprietary self-locking and self-sealing fastener processes, each addressing a different application envelope. Self-locking mechanisms include the Long-Lok strip (prevailing torque, temperatures -400°F to +500°F with stainless tube inserts extending to +1200°F), Poly-Lok patch (polyethylene terephthalate polyester patch with 300+ cycle reusability and NASA low-outgassing approval), Dyna-Thred II all-metal (360° hoop locking, 400°F to +1200°F, qualified to MIL-F-8961), Tek-Lok pellet (pellet-inserted into drilled holes in multiple polymer formulations), Omni-Lok pin (single or multiple pins, up to +1200°F, suited to short thread engagements), Dual-Lok Vespel-insert (dual locking surfaces, -450°F to +500°F cycling), and Dri-Loc adhesive coating (Loctite-based full-circumference coating, -65°F to +400°F). Self-sealing offerings include Self-Seal (cold-formed O-ring under head, multiple elastomer options for chemical/temperature compatibility) and Vibra-Seal (non-curing pre-applied Loctite thread sealant for tapered pipe threads). T-Sert is a one-piece solid-wall self-locking insert providing joint strength in low-tensile materials, qualified to MIL-I-45932. Certifications include AS9100 and ISO 9001 (both valid through April 21, 2028), QPL on MIL-DTL-18240, and compliance with IFI 124/125/524/525 and a broad set of NAS standards.

The business model is direct-engineered-component sales: quote-based pricing for custom and standard configurations, ordered via phone or email ([email protected]), with technical consultation provided by engineering and customer-service staff. There is no public pricing, no distributor channel domestically (only the RELCOM representative internationally), and no self-serve e-commerce. Revenue is generated from one-time product sales and blanket orders from aerospace, defense, and industrial customers. Marketing is primarily technical: detailed product datasheets, a published Self-Locking & Self-Sealing Fasteners Handbook, and explicit display of military and aerospace certifications on the website. Approved-supplier and higher-status awards (Northrop Grumman Platinum Supplier, GE Aviation DSQR, Honeywell self-release qualification, Meggitt Certified Vendor Designee) function as the primary demand-generation assets in lieu of outbound marketing.

Name

Long-Lok Fasteners Corporation

Legal name

Long-Lok LLC

Website

https://longlok.com

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

51–100 employees

Short description

Long-Lok Fasteners Corporation, founded in 1956 and headquartered in Cincinnati, OH, is a Novaria Group subsidiary that engineers self-locking and self-sealing fasteners for aerospace and defense primes. It sells directly via quote-based pricing from two US operations centers and an Israeli representative office.

Ownership category

akta.pro rank

Product category

Specialty Industrial Fasteners

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Adhesives & Sealants (2891)

akta.pro primary industry

Aerospace Fasteners & Hardware (IMABANAA)

akta.pro secondary industry

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

Keywords

• Self-locking fasteners
• Self-sealing fasteners
• Aerospace fasteners
• Thread-locking screws
• Specialty threaded inserts

Headquarters

HQ city

Cincinnati

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Fastener Product Sales: One-time product sales of engineered self-locking and self-sealing fasteners. Products are manufactured to specification and sold directly to aerospace, defense, and industrial customers. Revenue generated through individual product orders and blanket contracts.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Long-Lok Fasteners Corporation manufactures self-locking and self-sealing threaded fasteners and related products for industrial, aerospace, and defense applications. The company produces a line of patented fastener families (e.g., Long-Lok, Poly-Lok, Dyna-Thred II, Tek-Lok, Omni-Lok, Dual-Lok, Dri-Loc, Self-Seal, Vibra-Seal, T-Sert) engineered to resist vibration loosening and provide fluid/gas sealing at the threaded joint. Products are sold to OEMs and Tier suppliers who require reliable, vibration-resistant mechanical fastening solutions.

Product overview

Long-Lok Fasteners Corporation is an engineered fastener company offering a comprehensive portfolio of self-locking fasteners, self-sealing fasteners, and inserts for aerospace and defense applications. The product portfolio consists of three main categories: self-locking fasteners (Long-Lok® strip type, Poly-Lok® patch type, Dyna-Thred® II all-metal type, Tek-Lok® pellet type, Omni-Lok™ pin type, Dual-Lok® Vespel insert type, and Dri-Loc® adhesive coating type), self-sealing fasteners (Self-Seal® O-ring type and Vibra-Seal® pre-applied coating type), and thread inserts (T-Sert® self-locking insert). Products range from -450°F to +1200°F temperature capability and serve applications including aerospace, automotive, defense, and industrial markets. The company is part of Novaria Group and holds AS9100 and ISO 9001 certifications.

Differentiator

Problem solved

Functional benefit

Brands

• Poly-Lok®: Patch type self-locking fastener made of polyethylene terephthalate with temperature range of -100°F to +400°F and extended reusability up to 300+ cycles
• Dyna-Thred® II
• Tek-Lok®
• Omni-Lok™
• Dual-Lok®
• Dri-Loc®
• Self-Seal®
• Vibra-Seal®
• T-Sert®
• Long-Lok® Strip

Products and services

• Long-Lok Self-Locking Fasteners
• Poly-Lok Fasteners
• Dyna-Thred II Captive Screws Self-locking captive screw / captive washer assemblies that remain attached to the parent component when loosened, preventing loss of fasteners in service; used in aerospace panels, access covers, and similar critical assemblies.
• Tek-Lok Self-Drilling Fasteners Self-drilling, self-locking fasteners that drill, tap, and lock in a single operation for sheet-metal and structural applications.
• Omni-Lok All-Metal Locking Fasteners All-metal, omni-directional self-locking fasteners for high-temperature or polymer-free applications where traditional nylon patch elements are unsuitable.
• Dual-Lok Fasteners Dual-element self-locking and self-sealing threaded fasteners that combine a locking feature with a sealing function in a single fastener.
• Dri-Loc Pre-applied Thread Sealant Fasteners Self-locking fasteners with a pre-applied, microencapsulated thread sealant that activates on installation to seal against fluids and gases.
• Self-Seal Fasteners Self-sealing threaded fasteners engineered to provide pressure-tight sealing at the joint for hydraulic, pneumatic, and fuel-system applications.
• Vibra-Seal Fasteners Self-locking fasteners with a pre-applied, vibration- and chemical-resistant thread sealant for harsh-environment joints.
• T-Sert Threaded Inserts Self-locking threaded inserts for use in thin-section, soft, or non-ferrous base materials, providing strong reusable threads.
• Long-Lok Strip Collated Fasteners Collated/strip-feed versions of Long-Lok self-locking fasteners for high-volume automated assembly lines.

Quantifiable outcome

• Temperature capability from -450°F to +1200°F depending on product line
• +3 more outcomes

Named customers14 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Novaria GroupcoreStrategic or Co-development PartnerLong-Lok is part of Novaria Group, a cohesive family of precision component companies focused on the aerospace and defense marketplace. As a subsidiary, Long-Lok benefits from the group's collective resources while maintaining its brand identity and specialized fastener expertise.

Scale indicators1 record

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Precision Castparts Corp. Precision Castparts (Berkshire Hathaway) is a diversified aerospace components manufacturer including fasteners and structural products, overlapping Long-Lok in titanium and specialty aerospace fasteners.
• Lisi Aerospace: Lisi Aerospace is a large, established aerospace fastener and structural component supplier to global Tier 1 OEMs, offering a much broader portfolio than Long-Lok but competing directly in aerospace fastening.
• SPS Technologies: SPS Technologies is an established aerospace fastener manufacturer producing specialty bolts, screws, and locking fasteners for airframe and engine OEMs — a broad incumbent competitor to Long-Lok.
• Howmet Aerospace: Howmet Aerospace (formerly Alcoa/Arconic) is a major aerospace fastening systems provider with titanium and specialty alloy fasteners, competing with Long-Lok across commercial and defense aerospace programs.

Direct peers

• Cherry Aerospace: Cherry Aerospace (Stanley Black & Decker) manufactures aerospace blind bolts, lockbolts, and fastening systems, serving overlapping Tier 1 airframe and defense customers as Long-Lok.
• Allfast Fastening Systems: Allfast Fastening Systems is a specialty aerospace fastener manufacturer producing blind bolts, pins, and locking fasteners — comparable niche positioning to Long-Lok in commercial and military aerospace.
• Fairchild Fasteners: Fairchild Fasteners produces aerospace-grade self-locking and high-performance fasteners for commercial and defense aviation — a direct overlap with Long-Lok's aerospace and defense customer base.
• B&B Specialties: B&B Specialties manufactures self-locking and self-sealing fasteners for aerospace and defense, making it one of the closest direct peers to Long-Lok in product technology and customer profile.
• Nylok: Nylok is a direct competitor that produces nylon-pellet self-locking fasteners, directly overlapping Long-Lok's Tek-Lok and patch/pellet product lines for aerospace and industrial customers.
• MacLean-Fogg: MacLean-Fogg is an engineered fastener company with self-locking fastener offerings serving automotive, industrial, and aerospace markets, comparable to Long-Lok's specialization in threaded fastening solutions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Long-Lok Fasteners Corporation