S-91375A190 8-32 x 1/4" 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 corrosion resistance with Black-Oxide Alloy Steel construction, extending service life in harsh industrial environments
- Maximum holding power from Class 3A thread fit, ensuring secure fastening and vibration resistance in critical assemblies
- High-strength durability with Rockwell C45 hardness, maintaining structural integrity under heavy mechanical stress
- Precise installation control through 5/64" hex drive design, allowing accurate torque application in confined spaces
- Enhanced grip penetration with cup point tip, preventing component slippage and maintaining positional accuracy
- Reliable thread engagement with 8-32 UNC coarse threading, facilitating quick assembly and disassembly operations
- Broad compatibility meeting ASME B18.3 specifications, ensuring interchangeability with standard industrial components
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 8-32 UNC set screw delivers exceptional performance in machinery assembly, automotive components, and precision equipment. The Black-Oxide Alloy Steel construction provides superior protection against rust and chemical exposure, while the Class 3A thread fit eliminates play in high-vibration environments. The headless design with hex drive enables flush mounting in space-constrained applications, and the cup point tip creates permanent seating marks for secure positioning. These set screws are particularly valuable in precision engineering where reliable fastening and corrosion resistance are critical for long-term operational reliability.
Specification Summary & Compliance
This 8-32 UNC set screw features precision Class 3A thread fit with coarse thread spacing and right-hand thread direction. Manufacturing complies with ASME B18.3 specifications where applicable per ASTM F912. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) standards for chemical safety. Dimensional accuracy is maintained with 1/4" length and 0.164" thread diameter for consistent performance across industrial applications.
