S-93310A198 8-32 x 3/4" 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 Nylon Patch locking technology, ensuring secure fastening in high-motion environments.
- Excellent corrosion resistance from 18-8 Stainless Steel, ideal for harsh or outdoor industrial applications.
- High tensile strength of 70,000 psi and Rockwell B55 hardness for reliable load-bearing and durability.
- Wide temperature tolerance from -70° to 250°F, maintaining performance in extreme thermal conditions.
- Precise Class 3A UNC coarse threads for quick installation and strong engagement in various materials.
- Hex drive (3/32") design allows for easy torque application with standard tools, reducing assembly time.
- Rounded button head profile provides a low-profile, aesthetically pleasing finish while minimizing snagging risks.
Professional Applications & Engineering Value
This 8-32 x 3/4" nylon patch locking screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion. The 18-8 Stainless Steel construction ensures long-term reliability in humid or chemically aggressive environments, while the Nylon Patch locking mechanism creates a permanent, reusable seal that withstands dynamic loads. With UNC coarse threads and Class 3A fit, it offers superior thread engagement and rapid installation in machinery, electronics, and automotive assemblies. The rounded head and hex drive facilitate smooth, tool-friendly fastening, making it a go-to solution for maintenance and production lines where downtime reduction is essential.
Specification Summary & Compliance
This screw features precise UNC coarse threads with a Class 3A fit for high accuracy and strength. It is manufactured in compliance with ASME B18.3, ASTM F879, and MIL-DTL-18240 standards, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental compliance for global industrial use.
