S-90275A716 1/2"-13 x 1 1/2" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel Slotted Flat Head 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
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Superior tensile strength rated at 60,000 psi ensures reliable performance under heavy loads and vibration
- Optimized thread engagement with Class 2A UNC coarse threads provides faster installation and secure fastening
- Full threading design delivers maximum grip length and uniform stress distribution across the entire fastener
- Standard 82° countersink angle enables flush mounting with common chamfered holes for clean, professional finishes
- Rockwell B70 hardness maintains structural integrity and prevents thread deformation during installation
- Comprehensive compliance with ASME B18.6.3 ensures dimensional accuracy and interchangeability
Professional Applications & Engineering Value
These zinc-plated steel flat head screws with 1/2"-13 UNC coarse threading are engineered for industrial applications requiring both strength and corrosion protection. The fully threaded design combined with Class 2A thread fit ensures maximum engagement in metal assemblies, machinery frames, and structural components where vibration resistance is critical. The slotted drive system accommodates traditional installation tools while the standard 82° countersink provides seamless integration into prepared surfaces. Ideal for manufacturing equipment, construction frameworks, and heavy-duty mechanical systems, these screws deliver reliable performance where high tensile strength and environmental durability are essential requirements.
Specification Summary & Compliance
Manufactured to precise ASME B18.6.3 specifications with Class 2A thread tolerances for consistent fit and performance. The UNC coarse thread profile with right-hand orientation follows standardized dimensions for compatibility with industry components. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The zinc-plated surface treatment provides additional corrosion protection while maintaining the mechanical properties required for demanding applications.
