S-95198A336 1/4"-20 x 1" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws
Sealing Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Superior sealing performance with integrated Buna-N rubber O-ring to prevent fluid/gas leakage in demanding applications
- Exceptional corrosion resistance thanks to 18-8 stainless steel construction for long-term reliability in harsh environments
- High-pressure capability withstands up to 1500 psi while maintaining seal integrity across temperature extremes
- Precision thread engagement with Class 3A fit ensures secure fastening and vibration resistance in critical assemblies
- Optimized drive efficiency through 3/16" hex socket design for high torque application without cam-out
- Broad temperature compatibility from -40° to 225°F for stable performance across diverse operating conditions
- Maximum material strength with 100,000 psi tensile rating for heavy-duty mechanical applications
Professional Applications & Engineering Value
This socket head cap screw with integrated Buna-N rubber O-ring addresses critical sealing challenges in hydraulic systems, pneumatic equipment, and precision machinery. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining 100,000 psi tensile strength under pressure. The Class 3A thread fit and UNC coarse thread profile ensure reliable engagement in high-vibration environments, preventing loosening while the sealing feature maintains integrity up to 1500 psi. Engineered for industrial fastening applications requiring both mechanical strength and environmental sealing, this screw delivers consistent performance across the full -40° to 225°F temperature range.
Specification Summary & Compliance
This 1/4"-20 UNC thread screw features Class 3A thread fit precision and fully threaded design with right-hand thread direction. Manufactured to ASME B18.3, DIN 912, and ISO 4762 specifications with Rockwell B85 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. The inch system measurement ensures compatibility with North American machinery and equipment specifications.
