S-92360A336 1/4"-20 x 2" ASME B18.3, ASTM F835, MIL-DTL-18240 Thread-Locking Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker that maintains integrity from -70° to 250°F, preventing loosening in dynamic industrial environments.
• Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions, reducing failure risks.
• Precise Class 3A thread fit provides superior engagement and minimizes cross-threading during assembly, saving time and labor.
• Durable black-oxide finish on alloy steel resists corrosion and wear, extending service life in harsh operational settings.
• Easy installation and removal with 5/32" hex drive and rounded button head design, allowing efficient access in confined spaces.
• Full threading along the 2" length offers versatile fastening depth and consistent clamping force across applications.
• Compliance with major standards including ASME B18.3, ASTM F835, and MIL-DTL-18240 guarantees quality and interoperability in regulated industries.

Professional Applications & Engineering Value

Engineered for demanding industrial and mechanical systems, this 1/4"-20 UNC coarse thread screw addresses critical challenges like vibration-induced loosening and thermal cycling. The nylon patch thread locker embedded in the alloy steel construction ensures secure fastening in equipment subjected to constant motion or temperature fluctuations from -70° to 250°F. Its fully threaded design and Class 3A fit provide uniform load distribution, ideal for assemblies in automotive, aerospace, and heavy machinery where precision and reliability are paramount. The black-oxide surface treatment enhances corrosion resistance, reducing maintenance needs in exposed or humid environments, while the rounded head with hex drive simplifies installation in tight spaces, boosting efficiency on production lines.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for optimal tolerance control. Manufacturing complies with ASME B18.3, ASTM F835, and MIL-DTL-18240 specifications, ensuring consistent quality. It is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmentally responsible sourcing and use in global markets.