S-92196A171 4-48 x 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 environments and long-term reliability.
- High tensile strength of 70,000 psi ensures secure fastening under significant mechanical stress and vibration.
- Precision Class 3A thread fit provides tighter tolerances for improved assembly accuracy and reduced risk of stripping.
- Fine UNF thread design offers enhanced grip and better load distribution in delicate or high-precision components.
- Hardened to Rockwell B70 for excellent wear resistance and durability through repeated installation cycles.
- Compact hex drive (3/32") and standard socket head allow for easy installation in confined spaces with standard tools.
- Full compliance with ASME B18.3, RoHS 3, and REACH guarantees consistent quality and environmental safety for industrial use.
Professional Applications & Engineering Value
This 4-48 UNF socket head cap screw is engineered to address critical challenges in precision assemblies where space is limited and reliability is non-negotiable. The 18-8 stainless steel material provides inherent corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor conditions without compromising integrity. With a fine thread and Class 3A fit, it ensures minimal backlash and superior clamping force in components like electronic enclosures, machinery frames, and automotive systems. The fully threaded design and high tensile strength help prevent loosening under dynamic loads, while the hex drive facilitates quick, secure fastening even in hard-to-reach areas. Ideal for OEM and MRO uses, this fastener delivers consistent performance in industries ranging from aerospace to medical device manufacturing.
Specification Summary & Compliance
This socket head cap screw features a 4-48 UNF fine thread with Class 3A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.3 standards, ensuring consistent thread geometry and mechanical properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial fasteners.
