S-90550A320 6-32 x 3/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Venting Stainless Steel Hex-Drive Flat Head Screws
Venting Stainless Steel Hex-Drive Flat 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.
- Secure and flush installation thanks to the standard flat head profile and 82° countersink angle.
- High-strength, precision threading with a Class 3A thread fit and UNC coarse thread for reliable performance in demanding applications.
- Efficient pressure equalization via the vented design, preventing pressure buildup and ensuring long-term integrity.
- Robust torque transmission enabled by the 5/64" hex drive, reducing the risk of stripping during installation.
- Full-length threading provides maximum grip and holding power along the entire 3/8" length.
- Compliance with major industrial standards including ASME B18.3, ensuring quality and interchangeability.
Professional Applications & Engineering Value
This 6-32 UNC Flat Head Screw is engineered to address critical challenges in industrial assembly and precision equipment. The 18-8 Stainless Steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for applications in aerospace, electronics, and marine environments where durability is paramount. The vented feature is particularly valuable in sealed systems, allowing for pressure equalization to prevent seal failure or component stress. Combined with a Class 3A thread fit and coarse UNC threading, this screw ensures a secure, vibration-resistant connection that maintains integrity under dynamic loads. The hex drive design facilitates high-torque installation with common tools, streamlining assembly processes in high-volume manufacturing and maintenance operations.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 3A thread fit for superior tolerance and a UNC coarse thread profile. It is manufactured in compliance with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring reliability and performance consistency. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for global industrial use.
