S-92185A125 4-40 x 1 1/8" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
Super-Corrosion-Resistant 316 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 from 316 stainless steel construction, ideal for harsh chemical and marine environments
- Enhanced durability and surface protection with passivated finish, extending service life in demanding conditions
- Precise torque application enabled by 3/32" hex socket drive, reducing tool slippage and assembly errors
- Reliable thread engagement with Class 3A fit, ensuring consistent clamping force and vibration resistance
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Versatile partial threading allowing for both secure fastening and smooth shaft clearance as needed
- Compliance with global regulations including RoHS 3 and REACH, ensuring environmental and safety standards
Professional Applications & Engineering Value
These 316 stainless steel socket head cap screws deliver exceptional performance in corrosive and high-stress environments where fastener failure is not an option. The combination of UNC coarse threads and Class 3A thread fit provides superior vibration resistance and consistent clamping force in machinery, marine equipment, and chemical processing applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, while the hex socket drive enables high-torque installation in confined spaces. With 70,000 psi tensile strength and Rockwell B70 hardness, these fasteners maintain integrity under sustained mechanical loads, making them ideal for precision assemblies requiring reliable, long-term performance.
Specification Summary & Compliance
This 4-40 UNC socket head cap screw features precise Class 3A thread fit with 3/4" minimum thread length and 1 1/8" overall length in inch system measurements. Manufactured to industry standards with right-hand coarse threads and standard socket head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
