S-91306A292 3/8"-16 x 5/8" 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
- Superior corrosion resistance with zinc-plated alloy steel construction, extending service life in harsh industrial environments.
- Exceptional tensile strength of 120,000 psi ensures reliable, high-load fastening without failure under stress.
- Precision Class 3A thread fit guarantees secure, vibration-resistant connections with minimal risk of loosening.
- Fully threaded UNC coarse spacing enables faster installation and superior grip in a wide range of materials.
- Hex drive (7/32") and rounded button head design provides easy installation with standard tools and a low-profile, snag-resistant finish.
- High hardness (Rockwell C39) offers excellent wear resistance, maintaining thread integrity through repeated use.
- Compliance with ASME B18.3, ASTM F835, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these zinc-plated alloy steel rounded head screws deliver reliable performance where corrosion resistance and high tensile strength are critical. The fully threaded UNC coarse spacing and Class 3A thread fit provide superior holding power in metal, wood, and composite assemblies, reducing the risk of strip-out and vibration-induced loosening. The low-profile button head and hex drive design allow for easy access in confined spaces, making them ideal for machinery, automotive, and structural frameworks requiring durable, compliant fasteners that meet ASME B18.3 and ASTM F835 specifications.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread with Class 3A fit and coarse spacing, ensuring precise dimensional accuracy per ASME B18.3 and ASTM F835 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use. The zinc-plated finish and alloy steel material contribute to consistent performance in applications requiring high strength and corrosion resistance.
