S-91306A354 10-32 x 3/8" ASTM F835 Steel Button Head Hex-Drive Screws
Steel 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 tensile strength of 120,000 PSI provides reliable fastening in high-stress industrial applications
- Class 3A thread fit precision ensures superior engagement and vibration resistance in critical assemblies
- Zinc-plated alloy steel construction offers excellent corrosion resistance for extended service life
- Rockwell C39 hardness rating maintains thread integrity and prevents stripping during installation
- Hex drive design enables secure tool engagement and efficient installation in confined spaces
- Full threading capability allows for maximum grip length and uniform load distribution
- Rounded button head profile provides a low-profile finish while minimizing snagging hazards
Professional Applications & Engineering Value
These 10-32 UNF rounded head screws deliver critical engineering solutions where precision and durability are paramount. The fine thread spacing and Class 3A thread fit create superior clamping force in applications requiring vibration resistance, such as machinery assemblies, electronic enclosures, and automotive components. The zinc-plated alloy steel construction addresses corrosion concerns in industrial environments, while the Rockwell C39 hardness ensures threads maintain integrity through repeated installations. The hex drive configuration provides positive torque transmission, reducing the risk of cam-out during high-torque applications. These fully threaded screws offer consistent performance across their entire engagement length, making them ideal for precision equipment where uniform load distribution is critical.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit tolerances with UNF fine thread specifications, these screws ensure precision engagement in demanding applications. Compliance with ASME B18.3 and ASTM F835 standards guarantees consistent quality and performance. Environmental compliance is maintained through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, ensuring safe use in regulated industries. The inch system measurements provide compatibility with North American equipment standards while maintaining global regulatory compliance.
