S-90044A196 5/8"-11 x 1 3/8" ASTM A574 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 in high-stress applications, reducing the risk of fastener failure.
- Precision Class 3A thread fit provides superior engagement and vibration resistance, minimizing loosening in dynamic environments.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance and a durable, non-reflective finish for extended service life.
- Rockwell C37 hardness delivers excellent wear resistance, maintaining structural integrity under repeated loads and harsh conditions.
- 1/2" hex drive and standard socket head allow for high-torque installation with common tools, ensuring secure fastening and ease of maintenance.
- Coarse UNC threads enable quick assembly and disassembly, saving time in industrial maintenance and production setups.
- Full compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety, meeting rigorous industry standards.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these socket head cap screws made from black-oxide alloy steel address critical challenges like vibration-induced loosening and corrosion. The Class 3A thread fit and coarse UNC threading ensure precise, reliable fastening in heavy machinery, automotive assemblies, and construction equipment, where high tensile strength and durability are paramount. The 1/2" hex drive facilitates easy installation in confined spaces, reducing downtime. Ideal for applications requiring ASTM A574 compliance, these screws provide long-term performance in harsh conditions, from manufacturing plants to outdoor infrastructure.
Specification Summary & Compliance
This screw features a 5/8"-11 UNC coarse thread with Class 3A fit for tight tolerances, a 1 3/8" length, and fully threaded design. It meets ASTM A574 specifications for high-strength fasteners, ensuring consistent quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports safe and environmentally responsible industrial use.
