S-91253A231 10-24 x 9/16" 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 Black-Oxide finish, ideal for harsh industrial environments
- High tensile strength of 130,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 3A thread fit provides superior engagement and reduces cross-threading risks
- Fully threaded design offers maximum grip and holding power across the entire length
- Hex drive compatibility allows for high-torque installation with standard tools
- 82° countersink angle enables flush mounting for clean, professional finishes
- Compliance with ASTM F835, RoHS 3, and REACH guarantees material quality and environmental safety
Professional Applications & Engineering Value
These 10-24 UNC flat head screws with Black-Oxide Alloy Steel construction deliver critical advantages in demanding applications. The coarse UNC threading and Class 3A thread fit ensure rapid assembly with minimal risk of stripping, while the fully threaded design provides consistent clamping force across the entire engagement length. The hex drive configuration enables high-torque installation without cam-out, making them ideal for machinery, automotive, and heavy equipment assemblies where vibration resistance and structural integrity are paramount. The combination of 130,000 psi tensile strength and Rockwell C39 hardness ensures these screws maintain their mechanical properties under extreme conditions, while the Black-Oxide surface treatment provides durable protection against corrosion in industrial environments.
Specification Summary & Compliance
These flat head screws feature 10-24 UNC coarse threads with Class 3A precision fit and right-hand threading. Manufactured to ASTM F835 specifications, they meet stringent quality standards for dimensional accuracy and mechanical properties. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they contain no restricted substances and are safe for industrial use across global markets.
