For more than 50 years, Long-Lok has engineered self-locking and self-sealing fasteners that help solve threaded-component fastening problems, including demanding aerospace and defense applications. Its distinctive processes range from all-metal Dyna-Thred fasteners for temperatures up to 1,200°F to Self-Seal fasteners that combine fastening and O-ring sealing in one cold-formed unit. Long-Lok operates eastern and western U.S. facilities and is part of the Novaria Group.
AS9100
certification
MIL-DTL-18240
certification
MIL-F-8961
certification
MIL-I-45932
certification
PCC FastenersWith more than a century of design and manufacturing experience, PCC Fasteners is known for solving demanding fastening problems rather than limiting customers to standard parts. The company serves aerospace and other markets where components must perform reliably under severe operating conditions, combining metallurgical expertise with collaborative engineering and a stated focus on continuous improvement.332722JENKINTOWN, PA
Matdan CorporationFounded by Dave Arand in 1992, Matdan Corporation manufactures captive fasteners and quick-access hardware, including custom parts for demanding applications. From its two factory locations, the company serves customers worldwide and is particularly experienced in aerospace and defense fastening, where its MH series is made in the USA with DFARS-compliant materials. Matdan maintains ISO 9001 and AS 9100 certifications and supports customers with engineering assistance for designs that fall outside standard products.CINCINNATI, OH
CORE ManufacturingSince 1984, veteran-owned CORE Manufacturing has made certified precision fasteners and metal components in Mentor, Ohio, serving demanding industrial, aerospace and military applications. Its team brings more than a century of combined fastener experience to custom and standard work, supported by traceable materials and inspection processes that comply with MIL-I-45208A. CORE’s testing is performed by independent A2LA- and Nadcap-accredited metallurgical laboratories.MENTOR, OH
ND IndustriesSince 1955, ND Industries has developed and manufactured materials and processes that are applied to fasteners to improve locking, sealing and assembly reliability. Headquartered outside Detroit, the H.B. Fuller company operates processing centers across the United States and around the world, with in-house chemical formulation, equipment design, testing and high-volume application. Its Michigan-based Technologies Group holds A2LA ISO/IEC 17025 accreditation, while ND’s facilities carry certifications including ISO 9001, AS9100D and ISO 13485:2016.TWINSBURG, OH