S-93235A537 1/4"-20 x 1/2" Vented Socket Head Screws
Vented 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 18-8 stainless steel construction, ideal for harsh environments and extended service life.
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications.
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening with minimal risk of loosening.
- Efficient hex drive design with a 3/16" drive size for easy installation and high-torque application without cam-out.
- Vented head feature allows for pressure equalization, preventing fluid or gas entrapment in critical assemblies.
- Coarse UNC threading provides quick assembly and superior holding power in a wide range of materials.
- Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety and global market acceptance.
Professional Applications & Engineering Value
This 1/4"-20 UNC Socket Head Cap Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The 18-8 Stainless Steel material offers excellent resistance to rust and chemical exposure, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The Class 3A thread fit and coarse thread design enhance grip strength and reduce cross-threading risks during assembly. Combined with a hex socket drive, it allows for compact installation in confined spaces while maintaining high clamp load. The integrated vented feature is critical in pneumatic or hydraulic systems to prevent pressure buildup, ensuring operational safety and reliability in automotive, aerospace, and heavy machinery applications.
Specification Summary & Compliance
This socket head cap screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for superior dimensional accuracy. Manufacturing specifications include a 1/4"-20 thread size, 1/2" length, and fully threaded design. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it meets stringent global safety and sustainability requirements for industrial fastener applications.
