S-91253A244 10-24 x 5/8" 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
- Exceptional tensile strength of 130,000 psi ensures reliable performance under high-stress industrial applications
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant fastening in critical assemblies
- Hex drive design with 1/8" drive size allows for easy installation and high torque application without cam-out
- Fully threaded 10-24 UNC coarse spacing enables faster installation and superior holding power in various materials
- 82° countersink angle with standard flat head profile creates flush surface finishes for streamlined assemblies
- Rockwell C39 hardness rating maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
These 10-24 UNC flat head screws deliver critical engineering advantages where vibration resistance and flush mounting are paramount. The black-oxide alloy steel construction provides essential corrosion protection for industrial equipment, machinery, and automotive applications exposed to harsh conditions. The hex drive configuration ensures maximum torque transfer during installation, preventing damage to fastener heads while the Class 3A thread fit maintains precise engagement in tapped holes. With coarse thread spacing and full threading along the 5/8" length, these screws offer rapid installation and superior pull-out resistance in metal assemblies, electronic enclosures, and precision manufacturing applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread tolerances with UNC coarse thread spacing and 82° countersink angle. These screws meet ASTM F835 specifications for mechanical properties and dimensional requirements. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. The combination of 130,000 psi tensile strength and Rockwell C39 hardness guarantees consistent performance across demanding applications.
