S-90283A550 1/4"-20 x 2" ASME B18.6.3 Steel Pan Head Slotted Screws
Steel Pan Head Slotted 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
- Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term durability in harsh industrial environments.
- Superior load-bearing capacity thanks to 60,000 psi tensile strength and Rockwell B60 hardness, providing reliable performance under stress.
- Easy and secure installation with UNC coarse threading and Class 2A thread fit, reducing assembly time and minimizing cross-threading risks.
- Full threading along the 2" length for maximum grip and holding power in a wide range of materials.
- Broad compatibility with standard slotted drive tools, facilitating quick adjustments and maintenance.
- Compliance with ASME B18.6.3 standards, ensuring consistent quality and interchangeability in mechanical assemblies.
- Environmentally responsible design meeting RoHS 3 and REACH regulations, supporting sustainable procurement practices.
Professional Applications & Engineering Value
This zinc-plated steel slotted pan head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion in demanding settings. The UNC coarse thread and Class 2A fit provide excellent engagement in metals and plastics, reducing the risk of stripping and ensuring stable connections in machinery, automotive, and construction applications. With a rounded pan head profile and slotted drive, it offers easy access for installation and removal, while the full threading enhances load distribution. Ideal for heavy-duty fastening, it meets rigorous standards like ASME B18.6.3, delivering reliability and longevity in critical assemblies.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading with a size of 1/4"-20 and length of 2". It complies with ASME B18.6.3 manufacturing specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and standardized use across industrial sectors.
