S-90276A213 8-32 x 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 for extended service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable fastening under heavy loads and vibration
- Rockwell B69 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit with UNC coarse threading enables quick assembly and reduced cross-threading risk
- Slotted rounded head design allows for easy installation with standard tools while providing a finished appearance
- Partial threading configuration offers optimal grip strength for materials requiring precise clamping force
- Full compliance with industry standards including ASME B18.6.3, ensuring consistent quality and performance
Professional Applications & Engineering Value
This 8-32 UNC zinc-plated steel rounded head slotted screw delivers exceptional engineering value across industrial applications where reliability and corrosion resistance are critical. The zinc-plated steel construction provides essential protection against environmental factors, while the 60,000 psi tensile strength and Rockwell B69 hardness ensure the fastener maintains integrity under sustained mechanical stress. The coarse UNC threading with Class 2A fit facilitates rapid installation in production environments, reducing assembly time and labor costs. Particularly valuable in machinery assembly, electrical enclosures, and structural frameworks, this partially threaded screw offers precise clamping control where overtightening must be avoided. The slotted drive compatibility with standard tools makes it ideal for maintenance and repair operations across multiple industrial sectors.
Specification Summary & Compliance
This 4" length screw features precise Class 2A thread fit per UNC standards with coarse thread spacing and right-hand threading. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy and performance. 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.
