S-90276A191 8-32 x 5/16" 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
- Corrosion-resistant zinc plating extends service life in demanding industrial environments
- 60,000 psi tensile strength provides reliable fastening performance under high-stress conditions
- Class 2A thread fit with UNC coarse threading ensures smooth installation and vibration resistance
- Rockwell B69 hardness rating maintains structural integrity through repeated use
- Fully threaded design offers maximum grip length and holding power
- Slotted rounded head enables easy installation with standard screwdrivers
- Comprehensive compliance with ASME B18.6.3, RoHS, and REACH standards for quality assurance
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel screws deliver exceptional performance in industrial fastening applications where corrosion resistance and mechanical strength are critical. The rounded head slotted design provides both aesthetic appeal and practical installation benefits, while the coarse thread configuration ensures rapid assembly and superior vibration resistance in machinery, equipment manufacturing, and metal fabrication. The zinc-plated steel construction combined with 60,000 psi tensile strength addresses common failure points in industrial settings, offering reliable performance in environments exposed to moisture, temperature variations, and mechanical stress. These fully threaded screws maintain consistent clamping force across the entire fastener length, making them ideal for applications requiring uniform load distribution.
Specification Summary & Compliance
These rounded head screws feature precise Class 2A thread fit with UNC coarse threading (8-32 thread size, 0.164" thread diameter) and standardized dimensions (5/16" length, 0.309" head diameter). Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The products are RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory adherence for global industrial applications.
