S-92620A234 1"-14 x 2 1/2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 Steel Hex 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 150,000 psi ensures reliable performance under extreme loads, preventing fastener failure in critical applications.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life, even in harsh or outdoor industrial environments.
- High hardness rating (Rockwell C33) provides excellent wear resistance and durability, maintaining thread integrity through repeated use.
- Precision Class 2A thread fit on the 1"-14 extra fine thread ensures smooth, secure engagement and reduces the risk of cross-threading during assembly.
- Fully threaded design offers maximum grip and clamping force along the entire 2 1/2" length, ideal for thick materials and heavy-duty joints.
- External hex drive with a large 1 1/2" wide head allows for high-torque installation using standard tools, speeding up assembly and disassembly processes.
- Compliance with major industry standards including ASME B18.2.1 and SAE J429 guarantees consistent quality and interchangeability in professional applications.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this Grade 8 hex head screw delivers unmatched reliability where failure is not an option. The 1"-14 extra fine thread spacing with a Class 2A fit provides superior vibration resistance and precise load distribution, making it ideal for machinery, structural steel connections, and heavy equipment assembly. The zinc yellow-chromate plating offers a robust barrier against corrosion, significantly reducing maintenance needs in environments exposed to moisture or chemicals. Combined with its fully threaded design and external hex drive, it ensures quick, secure fastening in high-stress scenarios, enhancing both safety and operational efficiency.
Specification Summary & Compliance
This screw adheres to ASME B18.2.1 and SAE J429 specifications, with a Class 2A thread fit for precise dimensional accuracy. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets strict environmental and safety regulations for use in global markets.
