Stanley Engineered Fastening

STANLEY Engineered Fastening (SEF) is the fastening business of Stanley Black & Decker, which is headquartered in New Britain, Connecticut. It makes engineered fasteners and installation tools for several industries, including aerospace, where its products are used in structural assembly and aircraft interiors. Its brands include Avdel, POP, Spiralock, Integra, Nelson, Optia and Tucker.

Aerospace products

• Lockbolts: NeoBolt, Avbolt and Maxlok
• Structural blind rivets: Avex aluminium alloy rivets, Hemlok and Monobolt
• Speed fasteners and thread locking: Neospeed and Spiralock
• Threaded inserts: Versa-Nut, Eurosert, Hexsert and Squaresert
• Installation tools: ProSet PB3400, ProSet XT series, 7537 speed riveter, 7287, 73200 and AV tools
• Tool and asset management: CribMaster software, industrial vending, RFID and tool control systems

Applications

The company presents its aerospace range for structural assembly, cabin interiors, weight and fuel efficiency gains, and lower maintenance and repair costs. The Avdel brand covers structural blind fasteners from lightweight blind rivets to heavy-duty lockbolts and sealing plugs.

Company facts

• Part of Stanley Black & Decker, New Britain, Connecticut
• Avdel brand for structural blind fastening
• In December 2025 Stanley Black & Decker announced the sale of a separate aerospace unit, Consolidated Aerospace Manufacturing (CAM), to Howmet Aerospace. Stanley Black & Decker lists CAM and Engineered Fastening as separate business units