S-92785A472 5/16"-18 x 1/2" 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 18-8 stainless steel construction for long-lasting performance in harsh environments
- Maximum holding power achieved through Class 3A thread fit ensuring tight, secure fastening in critical applications
- Enhanced torque transmission with 5/32" hex drive design providing reliable installation and removal
- Excellent material penetration from the 90° cone point tip for superior grip and resistance to vibration loosening
- Optimized mechanical strength with Rockwell B80 hardness balancing durability and machinability
- Reliable coarse threading using 5/16"-18 UNC specification for quick assembly and reduced cross-threading risk
- Space-saving headless design allowing flush mounting where clearance is limited
Professional Applications & Engineering Value
This 18-8 stainless steel set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and corrosion protection are critical. The UNC coarse threads with Class 3A fit provide precise engagement in machinery components, while the 90° cone point creates deep indentation in shafts and collars to prevent rotational slippage. The hex drive configuration ensures high torque capability during installation, making it ideal for permanent positioning in power transmission systems, automated equipment, and precision manufacturing fixtures. The combination of Rockwell B80 hardness and stainless steel material offers the perfect balance between mechanical strength and corrosion resistance for extended service life.
Specification Summary & Compliance
This set screw maintains Class 3A thread tolerance per UNC standards with 5/16"-18 coarse threading and 1/2" length. Manufactured in compliance with ASME B18.3 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting international environmental and safety regulations for industrial components.
