S-91274A174 10-32 x 3/4" ASME B18.3, ASTM A574, ASTM B117 Alloy Steel Socket Head Screws
Alloy Steel Socket 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 tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance provided by the zinc-flake coating, extending service life in harsh industrial environments.
- Precise Class 3A thread fit guarantees secure, vibration-resistant assemblies with minimal risk of loosening.
- High hardness rating (Rockwell C37) enhances wear resistance and maintains thread integrity during repeated use.
- Fully threaded design allows for maximum grip and adjustability across the entire fastener length.
- Compliance with ASME B18.3 and ASTM A574 ensures consistent quality and interchangeability in professional applications.
- Hex socket drive enables high torque application and easy installation in confined spaces.
Professional Applications & Engineering Value
These 10-32 UNF socket head cap screws are engineered for demanding applications where precision and durability are critical. The zinc-flake-coated alloy steel construction provides excellent protection against corrosion, making them ideal for automotive, aerospace, and heavy machinery assemblies exposed to moisture and chemicals. The Class 3A fine thread fit ensures tight, secure fastening that resists vibration-induced loosening, a common issue in dynamic industrial environments. With their fully threaded design and hex drive, these screws offer superior clamping force and ease of installation in tight spaces, reducing assembly time and improving overall structural integrity. Their high tensile strength and compliance with major standards make them a reliable choice for engineers seeking long-term performance in critical joints.
Specification Summary & Compliance
This product features a 10-32 UNF thread with Class 3A precision tolerance and fine thread spacing, manufactured to ASME B18.3 and ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
