S-92196A558 1/4"-20 x 4" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Precision thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance
- Optimized drive efficiency through hex socket design providing superior torque transmission and strip resistance
- Enhanced installation flexibility with partially threaded shank design allowing precise clamping control
- Industry-standard compliance meeting ASME B18.3 specifications for dimensional accuracy and performance
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices
Professional Applications & Engineering Value
These 18-8 Stainless Steel Socket Head Cap Screws deliver critical performance advantages in demanding applications where corrosion resistance and mechanical reliability are paramount. The UNC coarse thread configuration with Class 3A thread fit provides rapid assembly and superior vibration resistance in machinery, automotive, and heavy equipment applications. The hex socket drive enables high-torque installation in confined spaces, while the partially threaded design ensures precise clamping force distribution. Manufactured to ASME B18.3 standards, these fasteners maintain dimensional consistency across production runs, reducing installation time and improving joint integrity in critical assemblies requiring 70,000 psi tensile strength performance.
Specification Summary & Compliance
This 1/4"-20 UNC Socket Head Cap Screw features precision Class 3A thread fit with coarse thread spacing and right-hand thread direction. The 4" length provides 1" minimum thread engagement, manufactured from 18-8 Stainless Steel with Rockwell B70 hardness. Compliant with ASME B18.3 dimensional specifications, RoHS 3 (2015/863/EU) hazardous substance restrictions, and REACH (EC 1907/2006) chemical safety regulations for industrial applications requiring verified quality and environmental compliance.
