S-90283A535 1/4"-20 x 3/8" 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, extending service life in demanding environments.
- Superior tensile strength of 60,000 psi ensures reliable performance under high-stress industrial applications.
- Rockwell B60 hardness provides excellent durability and resistance to wear and deformation.
- Fully threaded UNC coarse design delivers maximum holding power and faster installation in various materials.
- Class 2A thread fit guarantees consistent, precise engagement for secure fastening and reduced assembly issues.
- Slotted pan head design allows for easy installation and removal with standard tools, improving workflow efficiency.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This zinc-plated steel slotted pan head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high mechanical stress. The UNC coarse thread and fully threaded design provide robust clamping force, making it ideal for applications in machinery assembly, automotive components, and electrical enclosures where reliable fastening is critical. The rounded pan head offers a low-profile finish that minimizes snagging while the slotted drive accommodates quick adjustments. With a tensile strength of 60,000 psi and Rockwell B60 hardness, it withstands repetitive loads and harsh conditions, reducing maintenance needs and downtime in industrial screws applications.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse thread with a size of 1/4"-20 and length of 3/8". It meets ASME B18.6.3 manufacturing specifications for dimensional accuracy and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
