S-90910A569 2-56 x 1" ASME B18.3 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
- Superior corrosion resistance with 18-8 Stainless Steel material and passivated finish, ideal for harsh industrial environments.
- Enhanced torque transmission and reduced cam-out thanks to the Torx T6 drive, ensuring secure fastening and longer tool life.
- Reliable thread engagement and vibration resistance with Class 3A thread fit and coarse UNC threading for stable performance.
- High mechanical strength and durability offering 60,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Streamlined assembly and reduced head protrusion due to the rounded button head design, suitable for confined spaces.
- Precision manufacturing compliance meeting ASME B18.3 standards for consistent quality and interchangeability.
- Environmentally responsible sourcing with RoHS 3 and REACH compliance, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
These 2-56 UNC rounded head Torx screws are engineered from 18-8 Stainless Steel with a passivated finish to combat corrosion in challenging settings like electronics, machinery, and outdoor equipment. The Torx T6 drive minimizes slippage and tool wear, while the Class 3A thread fit and coarse thread spacing provide secure fastening that resists loosening under vibration. Partially threaded design allows for precise clamping in assemblies, making them ideal for industrial applications where reliability and compliance with ASME B18.3 are critical. Their rounded button head reduces snagging and improves aesthetics, adding value in consumer and professional devices.
Specification Summary & Compliance
This product adheres to Class 3A thread fit for high precision, with UNC coarse threads and a right-hand direction. It meets ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard reliability.
