S-90128A607 5/16"-18 x 5" 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.
- Zinc-plated alloy steel construction provides superior corrosion resistance, extending service life in demanding industrial environments.
- Class 3A thread fit offers precise, tight tolerances for secure fastening and vibration resistance in critical assemblies.
- 1/4" hex drive design allows for easy installation and removal with standard tools, improving maintenance efficiency.
- Rockwell C37 hardness delivers excellent wear resistance, maintaining thread integrity over repeated use.
- Coarse UNC threads enable quick assembly and disassembly, saving time in production and repair workflows.
- Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global industrial applications.
Professional Applications & Engineering Value
Engineered for high-strength fastening in demanding sectors, these Socket Head Cap Screws address critical challenges in machinery, automotive, and heavy equipment assembly. The zinc-plated alloy steel material combats corrosion in harsh conditions, while the Class 3A thread fit and coarse UNC threads provide secure, vibration-resistant connections that withstand dynamic loads. With a 1/4" hex drive, installation is streamlined, reducing labor time and tool wear. Ideal for applications requiring 170,000 psi tensile strength and Rockwell C37 hardness, these screws ensure long-term reliability in structural and precision engineering projects, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This product meets Class 3A thread fit standards with UNC coarse threads for precise dimensional accuracy. Manufactured in compliance with ASTM A574 specifications, it ensures consistent quality and performance. The screw is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.
