S-91306A452 5/8"-11 x 2" 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 corrosion resistance with zinc-plated alloy steel construction, ideal for harsh industrial environments
- Superior load-bearing capability with 120,000 psi tensile strength for reliable performance in heavy-duty assemblies
- Precise, secure fastening ensured by UNC coarse threading with Class 3A fit, minimizing loosening under vibration
- Easy installation and removal with 3/8" hex drive and rounded button head design, reducing assembly time
- Full thread engagement along the 2" length for maximum grip and uniform stress distribution
- High durability and wear resistance from Rockwell C37 hardness, extending service life in demanding applications
- Compliance with global standards including ASME B18.3 and ASTM F835, ensuring quality and interchangeability
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these zinc-plated alloy steel rounded head screws deliver reliable performance where high tensile strength and corrosion resistance are critical. The UNC coarse thread with Class 3A fit provides excellent engagement in metals and composites, reducing the risk of cross-threading and ensuring consistent clamping force. The 3/8" hex drive and button head profile allow for efficient torque application in confined spaces, speeding up assembly in machinery, structural frames, and automotive components. With full threading along the 2" length, these screws distribute mechanical loads evenly, preventing stress concentration and enhancing joint integrity in high-vibration environments.
Specification Summary & Compliance
This 5/8"-11 screw features precise Class 3A thread fit per UNC standards, with a coarse thread spacing for rapid installation. Manufacturing adheres to ASME B18.3 and ASTM F835 specifications, guaranteeing dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability.
