S-91266A244 10-24 x 5/8" ASTM F835 Alloy Steel Thread-Locking Hex Drive Flat Head Screws
Alloy Steel Thread-Locking 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
- Vibration-resistant locking with nylon patch thread locker that maintains integrity across a wide temperature range from -65° to 250°F
- Exceptional durability from black-oxide alloy steel construction providing corrosion resistance and extended service life
- Precise thread engagement with Class 3A fit ensuring reliable fastening in demanding applications
- High-strength performance delivering 130,000 psi tensile strength and Rockwell C39 hardness for heavy-duty use
- Secure installation through hex drive design providing superior torque transmission and slip resistance
- Optimal flush mounting with standard 82° countersink angle and flat head profile for smooth surface finishes
- Full thread coverage along the entire 5/8" length for maximum grip and load distribution
Professional Applications & Engineering Value
These 10-24 UNC flat head screws with coarse threading and Class 3A thread fit are engineered to solve critical vibration-induced loosening problems in industrial equipment and machinery. The black-oxide alloy steel construction combined with the nylon patch thread locker creates a reliable fastening solution that withstands thermal cycling and harsh operating conditions. The hex drive design ensures secure installation in confined spaces while the 82° countersink angle provides flush mounting for safety-critical applications. These fully threaded screws deliver consistent clamping force across the entire engagement length, making them ideal for automotive assemblies, industrial machinery, and electronic enclosures where vibration resistance and structural integrity are paramount.
Specification Summary & Compliance
Manufactured to precise Class 3A thread fit tolerances with UNC coarse threading (10-24 size) and standard 82° countersink angle. These screws comply with ASTM F835 specifications for mechanical properties and are fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, ensuring environmental responsibility and regulatory adherence for global industrial applications.
