S-91416A220 5/16"-18 x 1 1/2" ASME B18.6.2 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 Rockwell C45 hardness for reliable, long-term fastening in demanding applications
- Superior torque transmission enabled by the square head and external square drive, preventing tool slippage and ensuring secure installation
- Enhanced grip and resistance to loosening from the cup point tip, which bites into the mating surface for a firm, vibration-resistant lock
- Wide compatibility and easy assembly with coarse UNC threads and Class 2A fit, facilitating quick installation and interchangeability
- Robust durability in harsh environments provided by the high-strength alloy steel material construction
- Guaranteed dimensional consistency and reliability through compliance with the rigorous ASME B18.6.2 standard
- Safe for use in regulated industries as it is RoHS 3 and REACH compliant, meeting global environmental and safety standards
Professional Applications & Engineering Value
This 5/16"-18 UNC alloy steel set screw is engineered to solve critical challenges in industrial assembly and machinery. Its high-strength alloy steel construction and Rockwell C45 hardness provide the necessary durability to withstand high stress and vibration, preventing joint failure in equipment like motors, gears, and pulleys. The square head design with an external square drive offers superior torque application, reducing the risk of stripping during installation. The cup point tip ensures a powerful bite into shafts and collars, creating a secure, non-slip connection that is vital for maintaining precise alignment in mechanical systems. This makes it an indispensable component for maintenance, manufacturing, and automotive applications where reliability is non-negotiable.
Specification Summary & Compliance
This set screw features a 5/16"-18 UNC thread with a Class 2A thread fit, ensuring precise dimensional accuracy and easy assembly. It is manufactured in full compliance with the ASME B18.6.2 standard, guaranteeing consistent quality and performance. Furthermore, the product adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its compliance with strict environmental and safety requirements for industrial use.
