S-92235A518 1/4"-20 x 3/4" 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
- Superior corrosion resistance with black-oxide coating that protects against rust in demanding industrial environments
- Exceptional mechanical strength with 140,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
- Precise thread engagement with Class 3A fit UNC coarse threads ensuring reliable, vibration-resistant fastening
- Full-length threading provides maximum grip and load distribution across the entire fastener length
- Integrated flange design eliminates need for separate washers while providing superior bearing surface
- Standard hex socket drive allows for high-torque installation in confined spaces with 3/16" hex key
- Regulatory compliance meets RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these black-oxide alloy steel socket head cap screws deliver exceptional performance in machinery, automotive, and heavy equipment assembly. The UNC coarse thread pattern with Class 3A precision fit ensures rapid installation and superior vibration resistance, critical for high-stress environments. The integrated flange distributes clamping force effectively, preventing surface damage while eliminating the need for additional components. With 140,000 psi tensile strength and Rockwell C39 hardness, these fasteners maintain integrity under extreme loads, while the black-oxide surface treatment provides durable corrosion protection without compromising dimensional accuracy.
Specification Summary & Compliance
This 1/4"-20 x 3/4" socket head cap screw features UNC coarse threads with Class 3A thread fit for precision engagement and meets industry standards for dimensional accuracy. Manufactured from alloy steel with black-oxide coating, the fastener is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while maintaining mechanical performance requirements.
