S-92620A872 3/4"-16 x 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
- Maximum Load-Bearing Capacity – Grade 8 classification and 150,000 PSI tensile strength ensure reliable performance in high-stress industrial applications.
- Superior Corrosion Resistance – Zinc yellow-chromate plating provides enhanced protection against rust and environmental degradation.
- Precise Thread Engagement – UNF fine threading with Class 2A fit offers secure, vibration-resistant fastening and reduced risk of cross-threading.
- High Durability & Hardness – Rockwell C33 hardness rating maintains fastener integrity under repeated loads and harsh conditions.
- Easy Installation & Removal – External hex drive and 1 1/8" head width allow for straightforward torque application with standard tools.
- Full Thread Coverage – Fully threaded design ensures consistent clamping force along the entire 2" length.
- Regulatory Compliance – Meets ASME B18.2.1 and SAE J429 standards, with RoHS 3 and REACH compliance for safe, global usage.
Professional Applications & Engineering Value
Engineered for demanding environments, this Grade 8 hex head screw combines high-strength steel and UNF fine threading to address critical industrial challenges such as vibration loosening and structural fatigue. The zinc yellow-chromate finish significantly extends service life in corrosive settings, including outdoor machinery, automotive assemblies, and heavy equipment. With a 150,000 PSI tensile strength and Rockwell C33 hardness, it provides dependable fastening in construction, manufacturing, and infrastructure projects where failure is not an option. The external hex drive and Class 2A thread fit ensure quick, secure installation, reducing downtime and maintenance costs.
Specification Summary & Compliance
This fastener features a 3/4"-16 UNF thread size with Class 2A tolerance for precise fit, and is fully threaded over a 2" length. It conforms to ASME B18.2.1 and SAE J429 specifications, ensuring consistent quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for industrial use.
