S-90275A720 1/2"-13 x 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
- Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
- Exceptional load-bearing capacity with 60,000 psi tensile strength to withstand high-stress applications
- Precise thread engagement through Class 2A thread fit ensuring reliable fastening and vibration resistance
- Optimized flush mounting with 82° countersink angle and standard flat head profile for seamless surface integration
- Full-threaded design providing maximum grip length and superior holding power across the entire 2" length
- Enhanced durability with Rockwell B70 hardness maintaining structural integrity under repeated use
- Broad compatibility with UNC coarse threading for quick installation and reliable performance in various materials
Professional Applications & Engineering Value
These zinc-plated steel flat head screws deliver critical engineering solutions where surface flushness and corrosion resistance are paramount. The UNC coarse threading combined with Class 2A thread fit ensures rapid installation while maintaining precise tolerance control in metal fabrication, machinery assembly, and structural applications. The 82° countersink angle provides optimal seating in prepared holes, eliminating protrusions that could interfere with moving components or create safety hazards. With full threading across the entire 2" length, these fasteners distribute clamping force evenly, preventing joint loosening in high-vibration environments common in industrial equipment and automotive applications. The zinc plating creates a sacrificial barrier that significantly extends service life in moderately corrosive conditions, reducing maintenance frequency and replacement costs.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit ensuring dimensional accuracy and interchangeability. Features 1/2"-13 UNC coarse threads in right-hand direction with standard flat head profile and slotted drive. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for regulated industrial applications worldwide.
