S-97972A521 1/2"-13 x 3" Extreme-Strength Steel Flanged Hex Head Screws
Extreme-Strength Steel Flanged Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel coating for extended service life in harsh industrial environments
- Exceptional load-bearing capacity with 180,000 PSI tensile strength to withstand extreme mechanical stress
- Optimized torque transmission through external hex drive design for secure installation and removal
- Enhanced stability and vibration resistance from integrated flange design that eliminates need for separate washers
- Reliable thread engagement with Class 2A thread fit ensuring consistent performance in assembly operations
- Versatile partial threading allowing for both clamping and alignment functions in diverse applications
- Industry-standard compatibility with 1/2"-13 UNC coarse threads for easy replacement and interchangeability
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these black-oxide steel hex head screws deliver exceptional performance in construction equipment, heavy machinery, and structural assemblies. The Rockwell C38 hardness rating ensures superior wear resistance while the 180,000 PSI tensile strength provides critical load-bearing capacity for high-stress connections. The flange design distributes clamping force effectively, preventing surface damage and maintaining joint integrity under vibration. With coarse UNC threading and partial thread configuration, these screws offer rapid installation and precise adjustment capabilities, making them ideal for time-sensitive production environments where reliability and efficiency are paramount.
Specification Summary & Compliance
Manufactured to precise inch system standards with Class 2A thread fit tolerance for consistent performance. Features 1/2"-13 UNC coarse threads with right-hand orientation and 3" overall length. Complies with industry-standard manufacturing specifications and meets relevant material composition requirements for industrial fastener applications.
