S-91375A420 5/8"-11 x 5" ASME B18.3, ASTM F912 Set Screws
Set 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 holding power with coarse 5/8"-11 UNC threads and Class 3A fit for superior vibration resistance in demanding applications.
- Enhanced corrosion resistance from the black-oxide finish, extending service life in various industrial environments.
- High-strength durability provided by alloy steel with Rockwell C45 hardness, ensuring reliable performance under heavy loads.
- Secure and flush installation with a headless design and cup tip, preventing component interference and improving grip.
- Easy and efficient installation using a standard 5/16" hex drive, allowing for high torque application without slippage.
- Right-hand thread direction for standard assembly procedures, facilitating quick and familiar usage.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This 5/8"-11 UNC set screw is engineered to address critical challenges in industrial assembly, such as component slippage and loosening under vibration. Crafted from black-oxide alloy steel, it offers superior tensile strength and corrosion resistance, making it ideal for machinery, automotive, and construction applications where reliability is paramount. The Class 3A thread fit ensures precise engagement with mating parts, reducing the risk of stripping and enhancing load distribution. The cup tip design provides concentrated contact pressure, securely locking shafts and collars in place without damaging surfaces. Its coarse thread and hex drive enable quick installation and removal, streamlining maintenance workflows while meeting rigorous ASME B18.3 specifications for consistent performance.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit tolerances per UNC standards, ensuring high precision and interchangeability. It complies with ASME B18.3 manufacturing specifications for dimensional accuracy and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming the absence of hazardous substances and supporting environmentally responsible industrial practices.
