S-94967A487 5/16"-18 x 1 1/2" ASME B18.2.1, ASTM B117, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 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 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Black corrosion-resistant coating provides enhanced durability and longevity, ideal for use in harsh or outdoor environments.
- Grade 5 classification guarantees consistent high-strength properties and Rockwell C25 hardness for dependable load-bearing capability.
- Coarse UNC threading with Class 2A fit allows for faster assembly and easier alignment, minimizing installation time and errors.
- Fully threaded design offers maximum grip and holding power along the entire length, improving joint security.
- External hex drive and hex head enable straightforward installation with common tools, enhancing efficiency in industrial settings.
- Compliance with ASME, ASTM, and SAE standards ensures product reliability and interoperability in regulated industries.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this 5/16"-18 UNC hex head screw combines black corrosion-resistant coated steel with a Grade 5 strength rating to address common challenges like vibration loosening and environmental degradation. The coarse thread spacing and fully threaded design provide superior resistance to pull-out and shear forces, making it ideal for machinery assembly, structural frameworks, and automotive components. Its external hex drive ensures quick, secure fastening with standard wrenches, reducing labor time while maintaining high tensile strength and Rockwell C25 hardness under sustained loads. This screw delivers consistent performance in construction, manufacturing, and maintenance sectors where reliability and compliance are critical.
Specification Summary & Compliance
This product adheres to Class 2A thread fit and UNC coarse thread standards, with precise dimensions including a 1 1/2" length and 5/16"-18 thread size. It meets ASME B18.2.1, ASTM B117, and SAE J429 specifications for quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence.
