S-91263A610 1/2"-13 x 2" 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 corrosion resistance with zinc-plated alloy steel construction for long-lasting performance in harsh industrial environments
- Superior load-bearing capability with 130,000 psi tensile strength and Rockwell C39 hardness for demanding applications
- Precise thread engagement with Class 3A thread fit ensuring reliable fastening and vibration resistance
- Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- Efficient installation with 5/16" hex drive providing secure tool engagement and reduced stripping risk
- Reliable coarse threading with UNC 1/2"-13 threads offering quick assembly and superior holding power
- Full regulatory compliance meeting ASTM F835, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these zinc-plated alloy steel flat head hex screws deliver exceptional performance in machinery assembly, structural frameworks, and equipment manufacturing. The Class 3A thread fit ensures precise tolerance control, eliminating loose connections that compromise structural integrity. With 130,000 psi tensile strength and Rockwell C39 hardness, these UNC coarse thread screws withstand extreme mechanical stresses while the zinc plating provides corrosion protection in demanding environments. The 82° countersink angle and flat head design create flush surfaces critical for safety and aesthetics in automotive, construction, and manufacturing applications where protrusion-free fastening is essential.
Specification Summary & Compliance
This 1/2"-13 x 2" flat head hex screw features precision Class 3A thread fit with UNC coarse threading (13 TPI) and right-hand thread direction. Manufactured to ASTM F835 specifications with fully threaded design and 5/16" hex drive. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets while maintaining dimensional accuracy per inch system standards.
