S-91355A165 8-32 x 5/16" Steel Flanged Button Head Hex-Drive Screws
Steel Flanged Button Head Hex-Drive 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
- Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments
- Superior mechanical strength with 120,000 psi tensile rating and Rockwell C32 hardness for reliable load-bearing performance
- Precise Class 3A thread fit ensures secure fastening with minimal vibration loosening in critical assemblies
- Wide flanged button head design provides enhanced bearing surface and eliminates need for separate washers
- 3/32" hex drive compatibility enables high-torque installation with standard industrial tools
- Fully threaded shank maximizes engagement depth and pull-out resistance across entire fastener length
- Regulatory compliance assurance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
Engineered for demanding industrial fastening applications, these 8-32 UNC coarse thread screws deliver exceptional performance where vibration resistance and structural integrity are paramount. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the 120,000 psi tensile strength required for heavy-duty assemblies. The combination of Class 3A thread fit and fully threaded design ensures maximum engagement in metal-to-metal applications, reducing the risk of joint failure in machinery, automotive components, and electrical enclosures. The wide button head profile with integrated flange distributes clamping force evenly, preventing surface damage while providing a finished appearance ideal for visible applications.
Specification Summary & Compliance
Manufactured to precise UNC coarse thread specifications with Class 3A thread fit for superior dimensional accuracy. The 8-32 thread size with 0.164" diameter and 5/16" length provides optimal fastening capabilities. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The hex drive configuration (3/32") accommodates standard industrial installation tools while maintaining consistent torque transmission.
