S-92800A206 1/4"-28 x 3 1/4" 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 with 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks
- Rockwell B70 hardness rating delivers superior durability and wear resistance
- External hex drive design enables quick installation and removal with standard tools
- Partial threading configuration allows for optimal clamping force distribution
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw delivers critical performance advantages in demanding applications where corrosion resistance and mechanical strength are paramount. The 1/4-28 UNF fine threading with Class 2A precision fit ensures secure fastening in machinery, equipment assembly, and structural frameworks where vibration resistance is essential. The combination of 80,000 psi tensile strength and Rockwell B70 hardness provides exceptional load-bearing capacity while maintaining ductility. The external hex drive facilitates efficient installation in confined spaces, making these partially threaded screws ideal for applications requiring precise clamp load distribution. These characteristics make them particularly valuable in manufacturing, automotive, and industrial maintenance sectors where reliability and longevity are critical.
Specification Summary & Compliance
This hex head screw features 1/4"-28 UNF fine threading with Class 2A thread fit per standard inch system specifications. The 3-1/4" length with 3/4" minimum thread length provides versatile fastening capabilities. Manufacturing complies with industry standards for dimensional accuracy and mechanical properties, including 80,000 psi tensile strength and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
