S-98130A690 1/2"-13 x 3" Pentagon Head Screws
Pentagon 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and outdoor applications.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads.
- Secure, tamper-resistant installation featuring an external pentagon head and 13/16" drive size, preventing unauthorized removal.
- Optimized thread engagement with fully threaded 1/2"-13 UNC coarse threading, ensuring fast assembly and strong holding power.
- Precise thread fit with Class 2A tolerance, providing consistent performance and ease of installation in industrial settings.
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe, sustainable use.
- Durable, long-lasting design resistant to wear and environmental factors, reducing maintenance and replacement costs.
Professional Applications & Engineering Value
This 18-8 stainless steel pentagon head screw is engineered to address critical challenges in industrial and construction applications, where corrosion resistance and high tensile strength are paramount. The external pentagon drive and coarse UNC threading enable quick, secure fastening in heavy machinery, structural frameworks, and outdoor equipment, minimizing downtime. Its fully threaded design ensures maximum grip and load distribution, preventing loosening under vibration or stress. By combining 70,000 psi tensile strength with a Rockwell B70 hardness, it delivers reliable performance in demanding environments, reducing the risk of fastener failure and enhancing operational safety.
Specification Summary & Compliance
This fastener adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
