S-91263A528 8-32 x 1" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat Head 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 130,000 psi ensures reliable performance in high-stress industrial applications, reducing fastener failure risks.
- Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in harsh environments.
- Class 3A thread fit delivers precise, tight-tolerance threading for secure, vibration-resistant connections.
- Fully threaded design maximizes grip and load distribution across the entire length, enhancing joint integrity.
- 82° countersink angle with standard flat head profile allows for flush mounting, minimizing protrusion and improving aesthetics.
- Hex drive (3/32") enables easy installation with standard tools, reducing assembly time and effort.
- Compliance with ASTM F835, RoHS 3, and REACH ensures material safety, environmental responsibility, and adherence to industry standards.
Professional Applications & Engineering Value
These 8-32 UNC flat head screws are engineered to address critical fastening challenges in demanding sectors such as machinery assembly, automotive components, and electrical enclosures. The zinc-plated alloy steel material combats corrosion effectively, while the coarse thread (UNC) and Class 3A thread fit provide superior resistance to loosening under vibration and dynamic loads. With a Rockwell C39 hardness and fully threaded design, they ensure consistent clamping force and durability, making them ideal for applications where reliability and long-term performance are paramount. The 82° countersink angle facilitates seamless integration into surfaces, reducing snag hazards and improving operational safety.
Specification Summary & Compliance
This product adheres to Class 3A thread fit for precise dimensional accuracy and UNC coarse thread standards. Manufacturing follows ASTM F835 specifications, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and restricted substance control.
