S-90276A287 12-24 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 harsh industrial environments
- Exceptional tensile strength rated at 60,000 psi for reliable performance under heavy loads and vibration
- Precision Class 2A thread fit ensures smooth installation and secure fastening with standard mating components
- Full threading design provides maximum grip length and consistent holding power across the entire fastener
- Standard slotted drive offers compatibility with common hand tools for quick installation and maintenance
- Coarse 12-24 UNC threading enables rapid assembly and superior resistance to vibration loosening
- Rockwell B69 hardness maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws with 12-24 UNC coarse threading deliver exceptional value in industrial fastening applications where corrosion resistance and high tensile strength are critical. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures reliable performance in machinery assembly, electrical enclosures, and structural components subjected to vibration and dynamic loads. The fully threaded design maximizes engagement surface area, providing superior pull-out resistance while the standard slotted drive maintains compatibility with existing tooling systems. Ideal for maintenance, repair, and OEM applications requiring ASME B18.6.3 compliance and consistent performance in demanding environments.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and 12-24 UNC coarse threading specifications. Complies with ASME B18.6.3 manufacturing standards for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use in regulated industries. Features standard rounded head profile with 0.408" head diameter and 1/4" length for consistent application across industrial fastening systems.
