S-91268A363 7/16"-14 x 1 1/2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 PSI tensile strength, ideal for high-stress applications requiring reliable fastening under extreme conditions.
• Superior durability and wear resistance due to Grade 8 steel construction and Rockwell C33 hardness, reducing the risk of fastener failure and extending service life.
• Efficient installation and removal with an external hex drive and 5/8" head width, allowing for quick assembly using standard tools in confined spaces.
• Enhanced grip and vibration resistance from the fully threaded 7/16"-14 UNC coarse thread design, providing consistent clamping force in heavy machinery and structural setups.
• Precise thread fit with Class 2A tolerance, ensuring smooth engagement and reducing cross-threading risks during repeated use.
• Compliance with industry standards including ASME B18.2.1 and SAE J429, guaranteeing consistent quality and performance for professional engineering projects.
• Environmental and safety adherence through RoHS 3 and REACH compliance, making it suitable for regulated industries without hazardous substances.

Professional Applications & Engineering Value

This Grade 8 steel hex head screw is engineered to address critical challenges in heavy-duty industrial environments, such as machinery assembly, construction frameworks, and automotive systems. The fully threaded UNC coarse design and external hex drive enable rapid, secure fastening even in high-vibration settings, minimizing loosening over time. Made from high-strength steel with a Rockwell C33 hardness, it resists deformation and corrosion, ensuring long-term reliability in demanding applications like structural supports or equipment manufacturing. By integrating ASME B18.2.1 and SAE J429 standards, it delivers consistent dimensional accuracy and performance, reducing downtime and maintenance costs for B2B buyers focused on efficiency and safety.

Specification Summary & Compliance

The screw features a 7/16"-14 UNC coarse thread with Class 2A thread fit for precise tolerance, and it meets ASME B18.2.1 and SAE J429 specifications for dimensional integrity. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures it is free from restricted substances, supporting use in regulated industries.