S-90778A356 10-32 x 1/4" ASME B18.3 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 316 stainless steel construction for extended service life in harsh environments
- Maximum holding power achieved through Class 3A precision thread fit ensuring secure fastening in critical applications
- Excellent vibration resistance with 90° cone point design that bites into materials for permanent positioning
- Easy installation and removal with 3/32" hex drive that provides reliable torque transmission
- Precise thread engagement with 10-32 UNF fine threads offering superior load distribution
- Consistent mechanical performance maintained through Rockwell B80 hardness for reliable clamping force
- Space-saving design as a headless set screw ideal for applications with limited clearance
Professional Applications & Engineering Value
This 10-32 UNF Class 3A set screw delivers exceptional engineering value in demanding industrial environments where corrosion resistance and vibration-proof fastening are critical. The 316 stainless steel material provides superior protection against chemical exposure and atmospheric corrosion, making it ideal for marine, chemical processing, and food industry applications. The headless design with hex drive allows for flush mounting in confined spaces while maintaining accessibility for adjustment. The 90° cone point creates a permanent indentation in the shaft or component, preventing slippage under dynamic loads and vibration. These set screws are engineered to maintain precise alignment in machinery, positioning systems, and rotating assemblies where reliability is paramount.
Specification Summary & Compliance
This precision fastener features 10-32 UNF fine threads with Class 3A thread fit for superior dimensional accuracy and tight tolerances. The 1/4" length and 0.19" thread diameter provide consistent performance across applications. Manufactured in compliance with ASME B18.3 specifications for dimensional standards and mechanical properties. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory adherence for global industrial use.
