S-90128A627 3/8"-16 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 for reliable performance in high-stress applications and reduced risk of fastener failure.
- Superior corrosion resistance provided by the zinc plating, extending the screw's service life in demanding industrial environments.
- Precision Class 3A thread fit ensures easier assembly, a secure hold, and consistent performance in critical applications.
- High hardness rating of Rockwell C37 provides excellent wear resistance and durability against stripping and deformation.
- Hex socket drive design allows for high torque application and secure installation in confined spaces.
- Compliance with major regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility for global projects.
- Fully threaded body offers maximum grip and adjustability along the entire length for versatile fastening solutions.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this Socket Head Cap Screw is constructed from zinc-plated alloy steel, providing an optimal balance of strength and corrosion protection. The UNC coarse thread and Class 3A fit are designed for rapid assembly and high vibration resistance, making these socket head screws ideal for machinery, automotive assemblies, and heavy-duty equipment where reliability is non-negotiable. The combination of high tensile strength and a robust hex drive head solves common engineering challenges related to joint integrity and installation in tight spaces, ensuring long-term operational stability and reduced maintenance needs.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, featuring a 3/8"-16 UNC thread with a Class 3A fit for superior thread engagement. Manufactured to meet the stringent requirements of ASTM A574 specification. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries and global markets.
