S-91263A523 8-32 x 5/16" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated alloy steel construction, extending service life in harsh industrial environments.
- Superior holding power from fully threaded UNC coarse threads and Class 3A fit, ensuring reliable, vibration-resistant fastening.
- High tensile strength of 130,000 PSI provides exceptional load-bearing capacity for demanding applications.
- Rockwell C39 hardness offers excellent wear resistance and durability under repetitive stress.
- Standard 82° countersink angle allows for a flush, secure fit in pre-drilled holes, improving aesthetics and safety.
- Hex drive (3/32") design enables easy installation and removal with standard tools, reducing assembly time.
- Compliance with ASTM F835, RoHS 3, and REACH ensures consistent quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
Engineered for industrial applications requiring robust and reliable fastening, these 8-32 UNC flat head screws address common challenges like vibration loosening and material fatigue. The zinc-plated alloy steel provides a protective barrier against corrosion, making them ideal for machinery, automotive assemblies, and outdoor equipment. With a coarse thread and Class 3A thread fit, they deliver quick installation and high clamp force, reducing the risk of strip-out in soft materials. The fully threaded design ensures maximum grip along the entire length, while the flat head with an 82° countersink offers a smooth, flush finish that minimizes protrusion hazards. These features make them a go-to solution for industrial fasteners in high-stress environments, enhancing both performance and longevity.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC coarse threading with a size of 8-32. Manufacturing complies with ASTM F835 specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental and safety compliance for use in various global markets.
