S-91253A253 10-24 x 1 3/4" 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 tensile strength of 130,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Corrosion-resistant black-oxide finish on alloy steel enhances durability and longevity in demanding industrial environments.
- Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant connections.
- Partially threaded design allows for controlled clamping force and easier alignment in assembly applications.
- 82° countersink angle ensures a flush, professional finish when installed, minimizing protrusion and improving safety.
- Hex drive style offers high torque transmission and slip-resistant engagement for efficient installation and removal.
- Compliance with ASTM F835, RoHS 3, and REACH guarantees adherence to rigorous industry standards for safety and environmental responsibility.
Professional Applications & Engineering Value
Engineered for industrial applications requiring robust and reliable fastening, these 10-24 UNC flat head screws address common challenges such as vibration loosening and corrosion. The black-oxide alloy steel construction, combined with a coarse thread profile, ensures excellent grip and resistance to environmental factors, making them ideal for machinery, automotive assemblies, and structural frameworks. The partial threading allows for precise load distribution, reducing stress concentration and enhancing joint integrity. With a hex drive for secure tool engagement, these screws streamline installation in tight spaces, improving efficiency and reducing downtime in heavy-duty fastening scenarios.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit for high precision and meets ASTM F835 specifications for consistent quality. It is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory adherence. The UNC coarse thread and dimensional accuracy support reliable performance in various industrial settings.
