S-91263A597 3/8"-16 x 3" 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 demanding applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the zinc plating protects against rust and extends service life in harsh industrial environments.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies and improved load distribution.
- 82° countersink angle and flat head design allow for a flush, low-profile finish, enhancing safety and aesthetics in assembled products.
- Hex drive (7/32") enables high-torque installation with common tools, speeding up assembly and reducing labor time.
- Coarse UNC threads offer faster installation and better grip in a variety of materials, increasing efficiency on the production line.
- Compliance with ASTM F835, RoHS 3, and REACH ensures material quality, environmental safety, and global regulatory acceptance for your projects.
Professional Applications & Engineering Value
These 3/8"-16 UNC flat head screws are engineered to address critical challenges in industrial assembly, where vibration resistance and structural integrity are paramount. The zinc-plated alloy steel construction provides excellent durability against corrosion, making them ideal for outdoor equipment, machinery frames, and automotive components. The partially threaded design and Class 3A thread fit ensure precise engagement, minimizing loosening under dynamic loads. With a Rockwell C39 hardness and 130,000 psi tensile strength, these hex drive screws deliver reliable performance in heavy-duty fastening applications, reducing maintenance needs and enhancing operational safety.
Specification Summary & Compliance
These screws feature a 3/8"-16 UNC coarse thread with Class 3A thread fit for high precision. They are manufactured to ASTM F835 specifications, ensuring consistent quality and performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming they are free of hazardous substances and suitable for global industrial use.
