S-90276A144 6-32 x 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
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
- Enhanced durability and wear resistance from Rockwell B69 hardness, reducing fastener failure risks
- Reliable coarse threading (UNC) provides excellent grip and faster installation in various materials
- Precision Class 2A thread fit ensures consistent engagement and reduces cross-threading issues
- Fully threaded design offers maximum holding power along the entire screw length
- Standard rounded head profile with slotted drive enables easy installation with common tools
- Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance
Professional Applications & Engineering Value
This 6-32 UNC zinc-plated steel rounded head screw delivers exceptional performance in industrial assembly applications where corrosion resistance and mechanical strength are critical. The zinc-plated steel construction provides a protective barrier against environmental factors, while the Rockwell B69 hardness ensures the fastener maintains its structural integrity under vibration and load stresses. The coarse UNC threading and Class 2A thread fit enable secure fastening in metal, plastic, and composite materials, reducing installation time and improving production efficiency. The fully threaded design and slotted drive style make this screw ideal for electronics enclosures, machinery components, and automotive assemblies where reliable, long-term fastening solutions are essential.
Specification Summary & Compliance
This precision fastener features Class 2A thread fit tolerances with 6-32 UNC coarse threading and right-hand thread direction. Manufactured to meet ASME B18.6.3 specifications for dimensional accuracy and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
