S-90276A123 5-40 x 3/16" 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, extending service life in demanding industrial environments
- Excellent tensile strength rated at 60,000 psi for reliable performance in heavy-duty applications
- Optimized thread engagement with Class 2A thread fit ensuring smooth installation and secure fastening
- Enhanced durability from Rockwell B69 hardness, providing consistent performance under mechanical stress
- Wide compatibility with 5-40 UNC coarse threads offering strong holding power in various materials
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards for quality assurance and environmental safety
- Convenient installation through slotted drive design compatible with standard screwdrivers
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws with 5-40 UNC coarse threading deliver exceptional mechanical reliability for industrial assembly applications. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures these fasteners withstand vibration and loading stresses in machinery, equipment manufacturing, and structural frameworks. The zinc plating provides essential corrosion protection in environments where moisture or chemical exposure could compromise fastener integrity. With fully threaded design and Class 2A thread fit, these screws offer consistent clamping force and reduced installation torque requirements, making them ideal for production lines requiring efficient, repeatable fastening solutions.
Specification Summary & Compliance
These rounded head slotted screws feature precise Class 2A thread fit per UNC standards with 5-40 thread size and coarse thread spacing. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy and performance reliability. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors.
