S-95198A360 5/16"-24 x 3/8" 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 corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Reliable high-pressure sealing up to 1500 psi with integrated Buna-N rubber O-rings
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B85 hardness
- Precision thread engagement through Class 3A thread fit for secure fastening in critical applications
- Wide temperature compatibility from -40° to 225°F for diverse operating conditions
- Standard hex drive compatibility with 1/4" drive size for easy installation and removal
- Full thread coverage for maximum grip strength and uniform load distribution
Professional Applications & Engineering Value
These socket head cap screws deliver exceptional engineering value in demanding industrial applications where pressure sealing and corrosion resistance are critical. The 18-8 stainless steel construction provides excellent durability against environmental factors, while the integrated Buna-N rubber O-ring creates a reliable seal in hydraulic systems, pneumatic equipment, and fluid handling applications. The Class 3A thread fit ensures precise engagement in tapped holes, reducing the risk of cross-threading and providing consistent clamping force. With UNF fine threads, these fasteners offer superior vibration resistance and are particularly valuable in machinery, automotive assemblies, and precision equipment where high-pressure sealing up to 1500 psi is required.
Specification Summary & Compliance
This 5/16"-24 UNF socket head cap screw features precision Class 3A thread fit with fine thread spacing and right-hand thread direction. Manufactured to exacting standards including ASME B18.3, DIN 912, and ISO 4762 specifications. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. With a maximum hole diameter of 0.332" and standard socket head profile, these screws maintain dimensional accuracy for consistent performance in professional applications.
