S-93310A332 10-32 x 5/16" ASME B18.3, ASTM F879, MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws
Thread-Locking Stainless Steel Button Head Hex-Drive Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior vibration resistance with a nylon patch thread locker that maintains secure fastening in high-motion environments.
- Excellent corrosion resistance provided by 18-8 stainless steel, ideal for harsh or outdoor industrial settings.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability under stress.
- Precise Class 3A thread fit delivers tight tolerances for smooth assembly and reduced risk of cross-threading.
- Wide temperature tolerance from -70° to 250° F allows consistent performance in extreme thermal conditions.
- Hex drive design facilitates easy installation and removal with standard tools, minimizing assembly time.
- Compliance with ASME B18.3, ASTM F879, and MIL-DTL-18240 guarantees adherence to rigorous industrial standards for quality and safety.
Professional Applications & Engineering Value
This 10-32 UNF nylon patch lock screw in 18-8 stainless steel is engineered to address common industrial challenges such as loosening under vibration and corrosion in demanding environments. The fine thread and Class 3A fit ensure precise engagement, reducing the risk of failure in machinery, automotive, and electronics assemblies. With a rounded button head and hex drive, it offers a low-profile, secure fastening solution that withstands thermal cycling from -70° to 250° F, making it ideal for applications requiring reliable, long-term performance without frequent maintenance. Its nylon patch locking feature provides consistent resistance to shock and vibration, enhancing safety in critical systems.
Specification Summary & Compliance
This screw features a 10-32 UNF fine thread with Class 3A precision fit, ensuring high dimensional accuracy. It is manufactured in compliance with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe use in various industries.
