S-94912A455 1/4"-20 x 5/8" ASTM F837 Stainless Steel Socket Head Screws with Split Lock Washer
Stainless Steel Socket Head Screws with Split Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
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.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for high-stress applications.
- Secure vibration-resistant locking through the integrated split lock washer, preventing loosening under dynamic loads.
- Precise Class 3A thread fit ensures tight tolerances and reliable engagement in demanding assemblies.
- Easy installation and high torque capability with the standard hex drive socket head, reducing assembly time.
- Broad compliance with ASTM F837, RoHS 3, and REACH standards, ensuring safety and regulatory adherence.
- Versatile coarse UNC threading for quick assembly and disassembly in various industrial settings.
Professional Applications & Engineering Value
This 1/4"-20 UNC thread socket head cap screw is engineered to address critical challenges in industrial fastening, such as vibration-induced failure and corrosion. The 18-8 Stainless Steel material provides excellent resistance to rust and chemicals, making it suitable for applications in machinery, automotive, and outdoor equipment where durability is paramount. The inclusion of a split lock washer enhances joint security by maintaining clamp force under cyclic loads, reducing maintenance needs. With its hex drive design and coarse thread, it allows for efficient installation in tight spaces, ensuring reliable performance in high-stress environments while meeting stringent industry standards.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with a Class 3A thread fit for precise dimensional accuracy. It is fully threaded and manufactured in compliance with ASTM F837 specifications. Additionally, it adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global industrial use.
