S-92316A546 1/4"-20 x 1 1/2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws
High-Strength Grade 8 Steel Flanged Hex 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
- Exceptional load-bearing capacity with 150,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance thanks to black-phosphate steel coating that extends service life in demanding environments
- Optimized torque transmission through external hex drive design ensuring secure installation and removal
- Enhanced stability and distribution from integrated flange design that eliminates the need for separate washers
- Consistent thread engagement with Class 2A thread fit and UNC coarse threading for reliable fastening in various materials
- Maximum thread coverage through fully threaded design providing superior holding power across the entire screw length
- Industry-leading hardness with Rockwell C32 rating ensuring durability and resistance to wear under repeated use
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver exceptional performance where failure is not an option. The black-phosphate steel construction provides superior corrosion protection in harsh environments, while the UNC coarse threading ensures rapid installation and reliable holding power in both soft and hard materials. The integrated flange design distributes clamping force evenly, preventing surface damage and eliminating the need for additional components. With fully threaded construction and external hex drive, these screws offer maximum engagement and straightforward installation using standard tools. Ideal for machinery assembly, structural frameworks, and automotive applications where 150,000 PSI tensile strength and consistent performance are critical requirements.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (1/4"-20) and right-hand thread direction. Complies with SAE J429 specifications for Grade 8 fasteners and meets IFI 111 standards. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The inch system measurement ensures compatibility with North American industrial standards and specifications.
