S-91306A448 5/8"-11 x 1 1/2" 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 load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance provided by zinc-plated alloy steel, extending service life in harsh industrial environments
- Precise thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance
- Optimized installation efficiency through 3/8" hex drive design allowing high torque application without slippage
- Maximum thread coverage with fully threaded design for consistent clamping force along the entire 1½" length
- Enhanced durability with Rockwell C37 hardness maintaining structural integrity under repeated stress
- Broad compatibility with UNC coarse thread pattern facilitating quick assembly in various materials
Professional Applications & Engineering Value
Engineered for heavy-duty industrial fastening, these zinc-plated alloy steel rounded head screws deliver critical performance where corrosion resistance and structural reliability are paramount. The 5/8"-11 UNC coarse thread configuration prevents cross-threading during rapid assembly while providing superior pull-out resistance in metals, plastics, and composite materials. The button head profile offers a low-profile finish that reduces snagging hazards in machinery and equipment. With fully threaded construction maintaining consistent clamping pressure, these hex drive screws are ideal for construction equipment, manufacturing machinery, and structural frameworks requiring high tensile strength connections that withstand vibration and dynamic loads without compromising joint integrity.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 3A thread fit tolerance for superior engagement. Complies with ASME B18.3 and ASTM F835 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety and restricted substance control. Features right-hand thread direction with coarse thread spacing optimized for rapid installation in industrial applications.
