S-92316A550 1/4"-20 x 2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws
High-Strength Grade 8 Steel Flanged Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Black phosphate coating provides superior corrosion resistance, extending the screw's service life in harsh environments.
- Grade 8 classification and Rockwell C32 hardness guarantee high strength and durability for demanding mechanical assemblies.
- UNC coarse threading with Class 2A fit offers quick assembly and secure fastening, minimizing installation time and improving efficiency.
- Integrated flange design distributes clamping force evenly, eliminating the need for a separate washer and simplifying inventory.
- Partial threading allows for precise grip length control, ideal for applications where unthreaded shank strength is critical.
- Compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, providing peace of mind for global sourcing.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 hex head screw addresses common challenges in machinery, automotive, and construction sectors. The black-phosphate steel construction combats rust and wear, while the UNC coarse thread and external hex drive facilitate rapid installation in tough materials. Its partially threaded design and flange enhance joint integrity by preventing loosening under vibration. With a 150,000 psi tensile strength, it reliably secures critical components, reducing maintenance downtime and ensuring long-term operational safety in demanding environments.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading with a size of 1/4"-20, ensuring dimensional accuracy per industry standards. It is manufactured to meet IFI 111 / SAE J429 specifications for Grade 8 fasteners, guaranteeing consistent quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmentally responsible procurement and use in global markets.
