S-91688A222 5/16"-18 x 3/4" Set Screws
Set 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 corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
- Exceptional holding power achieved through Rockwell C54 hardness and permanent swivel tip design that prevents component slippage
- Precise thread engagement with Class 2A thread fit ensuring reliable fastening and consistent performance
- Enhanced installation efficiency through 5/32" hex drive that provides secure tool engagement and prevents stripping
- Optimized grip surface with 304 stainless steel swivel tip that distributes pressure evenly across 9° maximum swivel angle
- Reliable coarse threading using UNC standard for quick assembly and reduced cross-threading risks
- Compliance assurance with RoHS 3 and REACH regulations for safe use in regulated industries
Professional Applications & Engineering Value
This 5/16"-18 UNC set screw delivers critical engineering solutions for industrial applications requiring permanent positioning and vibration resistance. The 18-8 stainless steel construction provides excellent corrosion resistance in demanding environments, while the permanent swivel tip with 304 stainless steel contact surface prevents damage to mating components. The Class 2A thread fit ensures precise engagement in machinery, automotive assemblies, and precision equipment where coarse thread spacing facilitates quicker installation. The headless design with hex drive allows for flush mounting in confined spaces, making it ideal for shaft collars, gears, and pulleys where reliable right-hand thread fastening is essential for operational safety and reduced maintenance intervals.
Specification Summary & Compliance
This set screw features Class 2A thread fit with UNC standard threading (5/16"-18) and coarse thread spacing for reliable industrial performance. Manufacturing adheres to precise dimensional tolerances with 3/4" length and 5/32" hex drive specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.
