S-90340A118 1/4"-20 x 2" Socket Head Screws for Square-Drive Wrenches
Socket Head Screws for Square-Drive Wrenches
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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 industrial environments
- Exceptional tensile strength rated at 70,000 psi for reliable performance under heavy loads
- Precision Class 3A thread fit ensures secure, vibration-resistant fastening in critical applications
- High-profile socket head design provides maximum torque transmission and prevents stripping
- Partially threaded shank offers optimal grip and alignment in assembled components
- Rockwell B84 hardness maintains structural integrity through repeated installation cycles
- Regulatory compliance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
These 1/4"-20 UNC socket head cap screws deliver critical performance advantages in demanding industrial settings. The 18-8 stainless steel composition provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. With Class 3A thread fit and coarse UNC threading, these fasteners ensure rapid assembly while maintaining vibration resistance in equipment subjected to dynamic loads. The high-profile socket head and square drive system allow for high-torque installation without cam-out, making them ideal for precision machinery, automotive assemblies, and heavy-duty manufacturing equipment where reliability is paramount. The partially threaded design provides optimal clamping force distribution across joined components.
Specification Summary & Compliance
This socket head cap screw features precise 1/4"-20 UNC coarse threading with Class 3A thread fit for superior dimensional accuracy. The fastener measures 2" in total length with a minimum thread length of 1". Manufacturing specifications include Rockwell B84 hardness and 70,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial markets and restricted substance requirements.
