S-92235A520 1/4"-20 x 1 1/4" Flanged Socket Head Screws
Flanged 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
- Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C39 hardness for reliable performance in demanding applications
- Superior corrosion resistance through black-oxide coating that protects against rust and extends service life in harsh environments
- Precise thread engagement with Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
- Enhanced installation efficiency featuring hex socket drive for high-torque application and reduced risk of stripping
- Optimized load distribution with integrated flange design that eliminates the need for separate washers
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Versatile partial threading allowing for both clamping and alignment functions in various assembly scenarios
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw delivers critical engineering advantages for industrial applications where corrosion resistance and high tensile strength are paramount. The combination of UNC coarse threads with Class 3A fit ensures rapid assembly and reliable performance in vibration-prone environments, while the flange design provides superior clamping force distribution. Engineered for machinery, automotive, and heavy equipment applications, these partially threaded screws offer precise positioning capabilities alongside their primary fastening function. The hex socket drive enables high-torque installation in confined spaces, making them ideal for maintenance and manufacturing operations requiring durable, corrosion-resistant industrial fasteners.
Specification Summary & Compliance
This socket head cap screw features precise 1/4"-20 UNC coarse threads with Class 3A fit for superior thread engagement and dimensional accuracy. Manufactured from high-strength alloy steel with black-oxide surface treatment, the fastener delivers 140,000 psi tensile strength and Rockwell C39 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) with exemption 6(a) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.
