S-93734A390 5/8"-11 x 3" Tension-Indicating Hex Head Screws
Tension-Indicating 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 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Tension indicating feature provides clear visual confirmation at 19,000 lbs load, enabling precise installation and preventing under or over-tightening.
- Zinc yellow-chromate plating on steel offers superior corrosion resistance, extending service life in harsh industrial environments.
- Grade 8 strength classification and Rockwell C33 hardness deliver outstanding durability and resistance to wear and deformation.
- Partially threaded UNC coarse design enhances grip and holding power, ideal for heavy machinery and structural assemblies.
- Temperature resistance from 0° to 165°F allows stable operation in varied thermal conditions, maintaining integrity under stress.
- REACH compliance ensures adherence to environmental and safety standards, supporting responsible industrial use.
Professional Applications & Engineering Value
This Grade 8 hex head screw with 5/8"-11 UNC coarse threads and zinc yellow-chromate plating addresses critical engineering challenges in heavy-duty sectors. Its tension indicating capability eliminates guesswork during assembly, preventing joint failures in construction, automotive, and machinery applications. The partially threaded design concentrates stress efficiently, while the external hex drive facilitates easy installation with standard tools. Engineered for high tensile strength and temperature stability, it ensures long-term reliability in demanding environments, reducing maintenance costs and enhancing safety.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit for precise engagement and features UNC coarse threading with a 5/8"-11 thread size. Manufactured to Grade 8 standards, it includes partial threading and meets REACH (EC 1907/2006) compliance for environmental safety, ensuring suitability in regulated industrial settings.
