S-91255A265 10-32 x 1/2" ASTM F835 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive 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 120,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
- Black-oxide coating on alloy steel enhances corrosion resistance and durability, extending service life in harsh industrial environments.
- Fully threaded design offers maximum grip and uniform load distribution along the entire length for consistent clamping force.
- Rounded button head with hex drive allows for easy installation and a low-profile finish, minimizing snagging while providing ample torque application.
- Compliance with ASME B18.3 and ASTM F835 standards guarantees consistent quality and interchangeability, streamlining procurement and assembly processes.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chain integration.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 10-32 UNF rounded head screws deliver robust fastening solutions where precision and strength are paramount. The black-oxide alloy steel construction resists rust and wear, ideal for automotive, aerospace, and heavy machinery assemblies exposed to moisture and mechanical stress. The fine UNF threads and Class 3A fit prevent loosening under vibration, ensuring long-term joint integrity. With a 1/8" hex drive and fully threaded shank, installation is swift and secure, reducing assembly time while maintaining high tensile strength for critical load-bearing applications.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit per UNF standards, ensuring precise dimensional accuracy. It meets ASME B18.3 and ASTM F835 specifications for consistent manufacturing quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmentally responsible sourcing and usage in global markets.
