S-90939A142 1/4"-20 x 1" Stainless Steel Button Head Torx Screws
Stainless Steel Button Head Torx 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 tensile strength of 130,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance provided by A286 stainless steel material extends service life in harsh industrial environments.
- Enhanced torque transmission with the T30 Torx drive minimizes cam-out and allows for higher tightening forces without damaging the drive.
- Precise Class 2A thread fit ensures easy assembly and secure fastening, improving installation efficiency.
- Fully threaded 1/4"-20 UNC coarse spacing offers maximum grip and holding power across the entire length.
- High hardness (Rockwell C24) provides excellent wear resistance, maintaining thread integrity over repeated use.
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global industry standards.
Professional Applications & Engineering Value
This A286 stainless steel Torx button head screw is engineered to address critical challenges in demanding applications such as aerospace, automotive, and heavy machinery. The rounded head design reduces stress concentration, while the T30 Torx drive ensures efficient torque application, preventing stripping and enhancing reliability. With its fully threaded 1/4-20 UNC coarse spacing and Class 2A thread fit, it delivers consistent clamping force and vibration resistance, ideal for assemblies requiring high strength and durability. The 130,000 psi tensile strength and corrosion-resistant properties make it suitable for extreme conditions, ensuring long-term performance and reducing maintenance costs.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy. It is manufactured in the inch system with a length of 1" and fully threaded design. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for industrial use.
