S-94967A693 1/4"-20 x 1 3/4" 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, protecting against rust in harsh industrial environments.
- Grade 5 classification guarantees consistent hardness (Rockwell C25) and mechanical properties for dependable, high-strength fastening.
- Fully threaded 1/4"-20 UNC coarse design offers superior grip and faster installation in a wide range of materials.
- External hex drive and hex head allow for easy installation and high torque application with standard tools, improving assembly efficiency.
- Compliance with ASME B18.2.1, ASTM B117, and SAE J429 ensures adherence to industry standards for quality and performance.
- RoHS 3 and REACH compliance confirms environmental safety and regulatory acceptance for global industrial use.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in industrial settings, such as vibration resistance and environmental exposure. The black corrosion-resistant coated steel construction combats moisture and chemical degradation, extending service life in outdoor machinery, automotive assemblies, and structural frameworks. Its 1/4"-20 UNC coarse thread and fully threaded design provide maximum holding power and rapid installation, reducing labor time in high-volume production. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands heavy loads and stress, making it ideal for heavy-duty fasteners in construction, manufacturing, and equipment maintenance, where reliability is paramount.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading for consistent engagement and ease of assembly. It conforms to ASME B18.2.1 for dimensional accuracy, ASTM B117 for corrosion testing, and SAE J429 for mechanical properties. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety regulations for industrial use worldwide.
