S-91253A281 12-24 x 3/8" 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
- Superior corrosion resistance with Black-Oxide coating on Alloy Steel, extending service life in demanding environments.
- High tensile strength of 130,000 psi ensures reliable fastening under heavy loads, reducing failure risks.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies.
- Hex drive design (1/8") allows for easy installation and removal with standard tools, improving efficiency.
- 82° countersink angle and flat head profile enable flush mounting, minimizing protrusion for sleek, safe surfaces.
- Fully threaded coarse spacing (UNC) offers quick engagement and strong holding power in various materials.
- Compliance with ASTM F835, RoHS 3, and REACH ensures environmental safety and meets industrial standards for global use.
Professional Applications & Engineering Value
These 12-24 UNC flat head screws are engineered from Black-Oxide Alloy Steel to address common industrial challenges like corrosion and mechanical stress. The Class 3A thread fit and coarse thread spacing deliver exceptional grip and resistance to loosening in high-vibration settings, such as machinery, automotive assemblies, and electronic enclosures. The hex drive style simplifies maintenance, while the 82° countersink angle ensures a seamless finish, preventing snagging and enhancing safety. Ideal for applications requiring high tensile strength and regulatory compliance, these screws provide durable, reliable fastening solutions that minimize downtime and uphold performance standards in rigorous environments.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC coarse threading with a thread size of 12-24. Manufactured in accordance with ASTM F835 specifications, it ensures consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for industrial use, supporting sustainable and reliable procurement decisions.
