S-92865A535 1/4"-20 x 3/8" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced load-bearing capability with Grade 5 classification and 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit ensuring secure fastening and vibration resistance
- Efficient installation and removal using standard external hex drive and right-hand thread direction for compatibility with common tools
- Consistent dimensional accuracy meeting ASME B18.2.1 and SAE J429 specifications for precise fit and interchangeability
- Robust material integrity with Rockwell C25 hardness providing excellent durability against wear and deformation
- Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers exceptional engineering value through its zinc plated steel construction and UNC coarse thread design. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in heavy-duty applications where vibration resistance and structural integrity are critical. The fully threaded configuration provides maximum grip length and load distribution, while the external hex drive enables high-torque installation without stripping. These industrial hex screws effectively address common fastening challenges in machinery assembly, structural frameworks, and equipment manufacturing by preventing loosening under dynamic loads and maintaining clamp force in demanding operating conditions.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 1/4"-20 UNC coarse threading and 3/8" length dimensions. Complies with ASME B18.2.1 and SAE J429 manufacturing specifications for dimensional consistency and performance reliability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and restricted substance management.
