S-90276A211 8-32 x 3 1/2" 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
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
- Excellent tensile strength of 60,000 psi provides reliable fastening under high-stress conditions without failure
- Rockwell B69 hardness offers enhanced durability and resistance to wear during repeated installations
- Class 2A thread fit ensures smooth assembly and consistent performance with standard UNC nuts and threaded holes
- Partially threaded design allows for precise clamping force control and secure joint fastening
- Slotted drive compatibility enables easy installation with common tools while maintaining a clean rounded head profile
- Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value across multiple industrial sectors. The coarse thread design provides superior holding power in softer materials and faster installation times, while the zinc-plated surface treatment creates a protective barrier against corrosion in demanding environments. The partially threaded configuration allows engineers to precisely control clamping force distribution, preventing material damage in sensitive assemblies. With their rounded head profile and slotted drive style, these screws offer both aesthetic appeal and practical installation benefits for machinery, electrical enclosures, and structural applications where vibration resistance and long-term reliability are critical performance requirements.
Specification Summary & Compliance
This 3 1/2" length screw features precise Class 2A thread fit tolerances and UNC coarse threading according to ASME B18.6.3 manufacturing specifications. The product maintains dimensional accuracy with 8-32 thread size and right-hand thread direction for standardized compatibility. Full compliance is documented with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets while meeting the mechanical requirements of 60,000 psi tensile strength and Rockwell B69 hardness specifications.
