S-90696A189 1/4"-28 x 1 7/8" 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, durable fastening under heavy loads and vibration.
- Precise Class 3A thread fit for tight tolerances, reducing the risk of loosening and improving assembly accuracy.
- Fine UNF threads (1/4"-28) provide enhanced grip and better load distribution in precision applications.
- Hex socket drive (3/16") allows for high torque application and easy installation in confined spaces.
- Partially threaded design offers flexibility for clamping and alignment, minimizing material stress.
- Compliance with RoHS 3 and REACH ensures environmental safety and meets global industrial regulations.
Professional Applications & Engineering Value
These 18-8 Stainless Steel Socket Head Cap Screws are engineered to address critical industrial challenges, such as corrosion, high stress, and precision requirements. The fine UNF threads and Class 3A fit deliver exceptional clamping force and vibration resistance, making them ideal for machinery, automotive, and aerospace applications where reliability is paramount. With a Rockwell B70 hardness and 70,000 PSI tensile strength, they withstand extreme conditions without compromising performance. The hex drive design facilitates quick, secure installation, reducing downtime in assembly lines. Compliant with ASME B18.3 standards, these screws ensure consistent quality and interoperability in professional settings.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 3A thread fit for superior accuracy and a 1/4"-28 UNF fine thread profile. Manufactured in compliance with ASME B18.3 specifications, it guarantees reliable performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance for industrial use.
