S-90128A406 7/16"-14 x 1 1/4" 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 under high-stress conditions, reducing the risk of fastener failure.
- Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in demanding industrial environments.
- Class 3A thread fit offers superior precision and tighter tolerances for secure, vibration-resistant assemblies.
- 3/8" hex drive design allows for easy installation and removal with standard tools, improving assembly efficiency.
- Fully threaded right-hand coarse thread enables faster driving and better grip in a wide range of materials.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency, environmental safety, and global regulatory acceptance.
- Rockwell C37 hardness provides excellent durability and wear resistance, maintaining thread integrity through repeated use.
Professional Applications & Engineering Value
This 7/16"-14 UNC socket head cap screw is engineered to address critical challenges in heavy-duty assembly, machinery, and equipment manufacturing. The zinc-plated alloy steel material combats rust and corrosion in humid or outdoor settings, while the high tensile strength of 170,000 psi prevents stripping and shearing under dynamic loads. The coarse UNC thread and Class 3A fit ensure rapid, precise engagement in metals and composites, reducing installation time and improving joint reliability. Ideal for industrial socket screw applications requiring consistent clamping force and vibration resistance, this fastener delivers long-term performance in automotive, construction, and aerospace assemblies.
Specification Summary & Compliance
This socket head cap screw features a 7/16"-14 UNC coarse thread with Class 3A thread fit for high precision. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring material and dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and globally regulated industries.
