S-91385A340 10-32 x 3/8" 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
- Superior vibration resistance with permanent nylon patch thread locker that maintains secure fastening in high-stress environments
- Exceptional durability from Rockwell C45 hardness black-oxide alloy steel construction resisting wear and corrosion
- Precise thread engagement through Class 3A UNF fine threads ensuring reliable, tight-tolerance connections
- Wide temperature compatibility with thread locker performing consistently from -50°F to 250°F
- Easy installation and removal via 3/32" hex drive design in headless configuration for space-constrained applications
- Enhanced grip strength from cup point tip design that digs into mating surfaces preventing component slippage
- Regulatory compliance assurance meeting ASME B18.3 standards while being RoHS 3 and REACH compliant
Professional Applications & Engineering Value
This 10-32 UNF Class 3A set screw delivers critical vibration resistance in demanding industrial applications where loosening under dynamic loads compromises safety and performance. The black-oxide alloy steel construction combined with Rockwell C45 hardness ensures exceptional wear resistance in machinery, automotive, and aerospace components. The permanent nylon patch thread locker eliminates the need for secondary locking mechanisms while maintaining integrity across extreme temperature ranges from -50°F to 250°F. The cup point tip provides superior biting action into shafts and collars, making it ideal for permanent positioning applications in power transmission systems and precision equipment. The headless hex drive design allows installation in confined spaces while maintaining flush surfaces.
Specification Summary & Compliance
This set screw features 10-32 UNF fine threads with Class 3A fit for precision engagement, manufactured to ASME B18.3 standards (ASTM F912). The 3/8" length and 0.19" thread diameter provide standardized dimensions for consistent performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring restricted substance compliance.
