S-90276A208 8-32 x 2 3/4" 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 coating, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable performance under substantial mechanical loads
- Rockwell B69 hardness provides excellent wear resistance and durability for repeated use
- Class 2A thread fit offers optimal assembly clearance while maintaining secure fastening integrity
- Partially threaded design allows for precise clamping force control and vibration resistance
- Slotted drive compatibility enables quick installation with standard tools across various applications
- Comprehensive regulatory compliance including ASME B18.6.3, RoHS 3, and REACH ensures safety and environmental responsibility
Professional Applications & Engineering Value
These 8-32 UNC coarse thread screws with zinc-plated steel construction address critical industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The rounded head design with slotted drive provides secure installation in confined spaces while minimizing surface protrusion. The partially threaded configuration ensures optimal stress distribution, preventing joint loosening under vibration in machinery, electrical enclosures, and assembly fixtures. With coarse threading and Class 2A fit, these screws deliver rapid assembly in production environments while maintaining consistent clamping force across temperature variations and dynamic loading conditions.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance ensuring precise dimensional accuracy. The UNC coarse thread (8-32) with right-hand direction provides reliable engagement in various materials. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance adherence. The inch system measurement maintains consistency with North American industrial standards, while the 2 3/4" length with 1 1/2" minimum thread length offers versatile application coverage.
