S-95861A129 1/4"-20 x 3/8" Venting Stainless Steel Button Head Hex-Drive Screws
Venting Stainless Steel Button Head Hex-Drive 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
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- Superior mechanical strength offering 80,000 psi tensile strength and Rockwell B81 hardness for reliable, high-stress applications.
- Precise, secure fastening ensured by Class 3A thread fit and UNC coarse thread spacing, reducing the risk of cross-threading.
- Efficient installation and removal with a 5/32" hex drive and rounded button head design, providing a flush finish and easy tool access.
- Enhanced pressure equalization through the fully threaded, vented design with a 0.067" vent diameter, preventing pressure buildup.
- Broad compatibility with standard UNC 1/4"-20 components, making it a versatile choice for various assemblies.
- Compliance with environmental regulations, being RoHS 3 and REACH compliant, ensuring safe and sustainable use.
Professional Applications & Engineering Value
This 18-8 Stainless Steel rounded head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and pressure differentials. The fully threaded UNC coarse spacing and Class 3A thread fit provide superior holding power and resistance to shear forces, making it ideal for machinery, automotive, and electronic enclosures. The vented screw feature with a 0.067" diameter allows for pressure equalization, preventing seal failure in pressurized systems. Its hex drive and button head style ensure easy installation in tight spaces, reducing assembly time and improving reliability in demanding industrial applications.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 3A thread fit for precise dimensional accuracy. It features a 1/4"-20 thread size, 3/8" length, and coarse thread spacing. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability.
