S-95198A371 3/8"-16 x 1/2" 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-ring for leak-proof assemblies
- Exceptional mechanical strength featuring 100,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
- Precision thread engagement with Class 3A fit and UNC coarse threads ensuring secure fastening in demanding conditions
- Wide temperature compatibility with O-ring performance maintained from -40° to 225° F
- Optimized drive efficiency through 5/16" hex socket design providing superior torque transmission
- Full thread coverage along the entire 1/2" length for maximum grip and load distribution
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these socket head cap screws combine 18-8 stainless steel durability with advanced sealing technology. The integrated Buna-N rubber O-ring creates reliable fluid and gas containment in hydraulic systems, pneumatic equipment, and pressure vessels, effectively preventing leaks under maximum 1500 psi operating conditions. The Class 3A thread fit with 3/8"-16 UNC coarse threads ensures precise engagement in high-vibration environments, while the fully threaded design maximizes clamping force distribution. These hex drive screws are particularly valuable in machinery assembly, automotive manufacturing, and processing equipment where both structural integrity and environmental sealing are critical performance requirements.
Specification Summary & Compliance
Manufactured to exacting standards including ASME B18.3, DIN 912, and ISO 4762 specifications. Features Class 3A thread fit for precision applications with UNC coarse thread profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 100,000 psi tensile strength and Rockwell B85 hardness. Designed for maximum hole diameter of 0.397" with right-hand thread orientation and standard socket head profile.
