S-90340A116 1/4"-20 x 1 1/4" 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 for long-term reliability in harsh environments
- Exceptional thread precision with Class 3A fit ensuring secure, vibration-resistant fastening in critical assemblies
- High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding industrial applications
- Optimized torque transmission through square drive and high-profile socket head design
- Full threading along entire 1-1/4" length delivers maximum grip and holding power
- Rockwell B84 hardness maintains structural integrity under repeated stress and wear
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
Engineered for precision machinery, automotive assemblies, and heavy-duty equipment, these 1/4"-20 UNC socket head cap screws solve critical fastening challenges where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel composition prevents rust and chemical degradation in demanding environments, while the Class 3A thread fit eliminates play in high-vibration applications. The high-profile socket head with square drive enables maximum torque application without stripping, making these screws ideal for confined spaces requiring reliable, high-strength fastening solutions in manufacturing, aerospace, and industrial automation sectors.
Specification Summary & Compliance
This socket head cap screw features precise UNC coarse threading with Class 3A fit for superior dimensional accuracy. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, the fastener delivers consistent performance with 70,000 psi tensile strength and Rockwell B84 hardness. The 1/4"-20 UNC thread specification ensures compatibility with standard industrial components, while the fully threaded 1-1/4" length provides uniform clamping force across the entire engagement surface.
