S-92196A555 1/4"-20 x 3 1/4" 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 tensile strength rated at 70,000 psi for reliable performance in high-stress applications
- Precise Class 3A thread fit ensures secure fastening with minimal vibration loosening
- Heavy-duty Rockwell B70 hardness provides excellent wear resistance and durability
- Standard hex socket drive allows for easy installation with common tools in confined spaces
- Coarse UNC threading enables quick assembly and disassembly in various materials
- Comprehensive compliance with ASME B18.3 standards and environmental regulations
Professional Applications & Engineering Value
These socket head cap screws deliver critical engineering advantages in demanding applications where reliability is paramount. The 18-8 stainless steel composition provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. With 70,000 psi tensile strength and Rockwell B70 hardness, these fasteners maintain integrity under heavy loads and repeated stress cycles. The 1/4"-20 UNC coarse thread configuration ensures rapid installation in production environments while the Class 3A thread fit prevents backlash in precision equipment. The hex socket drive design allows for high torque application in confined spaces, making these screws ideal for industrial machinery, automotive assemblies, and manufacturing equipment requiring dependable fastening solutions.
Specification Summary & Compliance
This socket head cap screw features precision 1/4"-20 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufacturing specifications strictly adhere to ASME B18.3 standards, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. Additional specifications include 3 1/4" length with partial threading, 3/16" hex drive size, and right-hand thread direction for standard industrial applications.
