S-94495A337 1/2"-13 x 1" ASME B18.3, ASTM F912 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
- Vibration-resistant locking with permanent nylon patch that maintains secure fastening in high-stress environments
- Superior corrosion protection through black-oxide coating on alloy steel for extended service life in harsh conditions
- Precision thread engagement with Class 3A fit ensuring reliable, consistent clamping force in critical assemblies
- High-strength performance backed by Rockwell C45 hardness for exceptional load-bearing capacity
- Wide temperature tolerance with thread locker effective from -50° to 250°F for diverse industrial applications
- Space-saving headless design with hex drive allowing flush installation where clearance is limited
- Industry-standard compliance meeting ASME B18.3 specifications for guaranteed interoperability
Professional Applications & Engineering Value
This 1/2"-13 UNC hex headless set screw solves critical vibration-induced loosening challenges in industrial machinery, automotive components, and precision equipment. The black-oxide alloy steel construction provides exceptional durability against wear and environmental exposure, while the permanent nylon patch thread locker creates a chemical bond that resists shock and vibration better than mechanical locking methods. Engineered with coarse thread spacing and Class 3A thread fit, it delivers rapid installation and reliable clamping force in high-volume production environments. The headless design with hex drive enables flush mounting in confined spaces where protruding fasteners would interfere with moving parts or housing enclosures.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. Features 1/2"-13 UNC coarse threads with right-hand direction and flat tip configuration. The black-oxide alloy steel delivers Rockwell C45 hardness for optimal strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
