S-92800A247 7/16"-20 x 3 3/4" 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel 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 corrosion resistance from 18-8 stainless steel construction, ideal for humid or chemically aggressive environments.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration.
- Fine UNF threading with Class 2A fit provides superior vibration resistance and precise, secure fastening.
- Rockwell B70 hardness offers excellent durability and resistance to wear and galling.
- External hex drive and hex head design allows for high-torque installation with standard tools, speeding up assembly.
- Partially threaded shank provides an unthreaded bearing surface for improved shear strength and alignment.
- Full RoHS 3 and REACH compliance meets stringent international regulations for safe use in various industries.
Professional Applications & Engineering Value
This 7/16"-20 UNF hex head screw is engineered to solve critical fastening challenges in demanding industrial applications. The 18-8 stainless steel material provides outstanding corrosion resistance, making it suitable for machinery, marine equipment, and outdoor structures where exposure to moisture is a concern. The fine thread and Class 2A thread fit ensure a tight, secure connection that resists loosening under dynamic loads and vibration, common in automotive and assembly line environments. Its high tensile strength and Rockwell B70 hardness guarantee long-term reliability, reducing maintenance needs and downtime. The external hex drive facilitates quick and efficient installation, enhancing productivity in high-volume B2B procurement scenarios.
Specification Summary & Compliance
This screw adheres to UNF thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a 7/16"-20 fine thread, 3 3/4" length, and partial threading. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
