S-90276A206 8-32 x 2 1/4" ASME B18.6.3 Steel Round Head Slotted Screws
Steel Round 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 industrial environments.
- Superior tensile strength of 60,000 psi ensures reliable, high-load fastening without failure under stress.
- Rockwell B69 hardness provides excellent durability and resistance to wear and deformation during installation.
- Coarse UNC thread design allows for quicker assembly and reduced cross-threading risks in various materials.
- Class 2A thread fit offers consistent, precise engagement for smooth installation and secure hold.
- Partially threaded shank enables focused clamping force where needed, ideal for applications requiring specific grip lengths.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 8-32 UNC coarse thread screw is engineered from zinc-plated steel to address common industrial challenges like corrosion and mechanical stress. The rounded head with slotted drive facilitates easy installation in tight spaces, while the partially threaded design prevents over-tightening and distributes clamping force effectively. Ideal for machinery, automotive, and electrical enclosures, it provides a dependable fastening solution that withstands vibrations and environmental exposure. Its right-hand thread and coarse spacing ensure quick, secure attachments in wood, metal, and plastic components, reducing assembly time and improving productivity in industrial applications.
Specification Summary & Compliance
This screw features a Class 2A thread fit per UNC standards, ensuring dimensional accuracy and compatibility. It meets ASME B18.6.3 specifications for mechanical and dimensional requirements, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) for environmental safety. Key dimensions include a thread size of 8-32, length of 2-1/4", head diameter of 0.309", and partial threading with a minimum thread length of 1-1/2".
