S-90841A130 8-32 x 1/2" ASME B18.3 High-Vacuum Cleaned-and-Bagged Vented Socket Head Screws
High-Vacuum Cleaned-and-Bagged 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 with Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
- Optimized for vacuum applications featuring a vented design with 0.042" vent diameter to prevent pressure buildup
- Secure hex drive installation using a 9/64" hex key for high torque transmission and reduced stripping risk
- Industry-standard compliance meeting ASME B18.3 specifications for dimensional accuracy and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This 8-32 UNC thread socket head cap screw delivers critical performance in demanding applications where material integrity and precision are paramount. The 18-8 stainless steel composition provides excellent resistance to corrosion and oxidation, extending service life in chemical processing, marine, and outdoor equipment. Its Class 3A thread fit and coarse UNC threading ensure rapid assembly and superior vibration resistance in machinery, automation systems, and high-vacuum chambers. The integrated vented design is engineered to prevent air entrapment and pressure differential issues in sealed systems, making it indispensable for vacuum technology, aerospace components, and precision instrument manufacturing where reliability under stress is non-negotiable.
Specification Summary & Compliance
This socket head cap screw features precision UNC 8-32 threads with Class 3A fit for tight tolerances, a 1/2" length, and standard socket head profile. Manufactured in compliance with ASME B18.3 dimensional standards, it ensures interchangeability and consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally sensitive and regulated industrial applications.
