S-93235A104 4-40 x 3/16" 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 industrial environments.
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing applications.
- Precise thread engagement through Class 3A fit, ensuring secure fastening and vibration resistance.
- Efficient installation and removal with 3/32" hex drive, allowing for high torque application in confined spaces.
- Enhanced pressure equalization via vented head design (0.035" vent diameter), preventing pressure buildup in sealed assemblies.
- Full thread coverage across the 3/16" length for maximum grip and uniform stress distribution.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This 4-40 UNC thread socket head cap screw is engineered to address critical challenges in precision assemblies, such as machinery, electronics, and automotive components. The 18-8 stainless steel material offers excellent resistance to rust and oxidation, reducing maintenance costs in humid or corrosive settings. With a Class 3A thread fit and coarse UNC thread, it provides superior clamping force and minimizes loosening under dynamic loads. The vented head design is particularly valuable in pressurized systems, allowing air or fluid escape to prevent seal failure. Its fully threaded body and right-hand thread ensure consistent engagement, making it a dependable choice for high-stress industrial applications where reliability and compliance with RoHS and REACH standards are mandatory.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 3A thread fit for precise dimensional accuracy. It features a 3/16" length, 3/32" hex drive, and fully threaded design. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
