S-90401A194 8-32 x 1/2" Hex Head Screws with Lock Washer

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Reliable vibration resistance thanks to the integrated external-tooth lock washer that prevents loosening under dynamic loads
• High tensile strength of 60000 psi ensures dependable performance in demanding structural and mechanical applications
• Effortless installation and removal with external hex drive design, compatible with standard tools for efficient assembly
• Precise thread engagement with Class 2A fit and UNC coarse threads, reducing cross-threading risks and ensuring consistent fastening
• Full threading along the 1/2" length provides maximum grip and adjustability in various material thicknesses
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use across global markets

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 UNC coarse thread hex head screws combine zinc-plated steel durability with an external-tooth lock washer to solve critical vibration-induced loosening issues in machinery, automotive assemblies, and electrical enclosures. The Class 2A thread fit and coarse threading ensure rapid installation and reliable holding power in metals and plastics, while the 60000 psi tensile strength and Rockwell B70 hardness provide exceptional resistance to shear and tensile stresses. Ideal for maintenance, manufacturing, and OEM applications where vibration resistance and corrosion protection are paramount.

Specification Summary & Compliance

This screw features 8-32 UNC coarse threads with Class 2A fit for precise dimensional accuracy, fully threaded right-hand design, and a zinc-plated steel lock washer with 0.317" OD. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory adherence for industrial use.