S-91306A340 8-32 x 1" 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 plating, extending service life in demanding industrial environments
- High tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 3A thread fit for secure, consistent fastening and reduced risk of cross-threading
- Rockwell C39 hardness provides excellent wear resistance and durability for repeated use
- Fully threaded design offers maximum grip and holding power along the entire screw length
- Hex drive (3/32") compatibility allows for easy installation with standard tools and high torque application
- Compliance with ASME B18.3 and ASTM F835 guarantees consistent quality and engineering reliability
Professional Applications & Engineering Value
These 8-32 UNC coarse thread screws are engineered to address critical industrial fastening challenges where vibration resistance, high strength, and corrosion protection are paramount. The zinc-plated alloy steel construction provides a durable barrier against rust and chemical exposure, making them ideal for machinery, automotive assemblies, and outdoor equipment. The rounded button head design offers a low-profile finish that reduces snagging while the coarse UNC threading ensures quick installation and superior holding power in softer materials or high-vibration environments. With a fully threaded 1" length, they deliver uniform clamping force across joints, preventing loosening and maintaining structural integrity in demanding industrial applications.
Specification Summary & Compliance
These screws feature 8-32 UNC coarse threads with Class 3A fit for precise tolerance, manufactured to ASME B18.3 and ASTM F835 specifications. They are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. The right-hand thread direction and standardized dimensions guarantee compatibility with existing industrial components and tools.
