S-90128A203 8-32 x 1 1/2" 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 load-bearing capacity and resistance to mechanical failure in demanding applications.
- Superior corrosion resistance from the zinc-plated alloy steel construction, extending service life in various industrial environments.
- Precise Class 3A thread fit guarantees secure, vibration-resistant assemblies and reduces the risk of cross-threading during installation.
- High Rockwell C37 hardness provides excellent wear resistance and maintains thread integrity under repeated use.
- Hex socket drive design allows for high-torque installation and removal in confined spaces, improving assembly efficiency.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality, environmental safety, and suitability for regulated industries.
- Partially threaded shank offers optimal grip length for clamping materials without unnecessary thread engagement, simplifying precise joint control.
Professional Applications & Engineering Value
Engineered for high-stress industrial applications, this 8-32 UNC thread socket head cap screw addresses critical challenges in machinery assembly, automotive components, and heavy equipment. The zinc-plated alloy steel material combats corrosion while the coarse thread spacing and Class 3A fit ensure rapid, reliable fastening even in vibrating environments. With a minimum thread length of 1 inch and 170,000 PSI tensile strength, it provides robust clamping force for structural joints, reducing maintenance needs and enhancing operational safety. The hex drive and standard socket head profile facilitate easy access in tight spaces, streamlining production and repair workflows.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit and UNC thread standards for precise dimensional accuracy. It is manufactured in compliance with ASTM A574 specifications, ensuring consistent mechanical properties. The product is confirmed RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.