S-90910A901 M1.6 x 4 mm ASME B18.3.4M 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 construction and passivated finish, ideal for harsh industrial environments.
- Enhanced torque transmission and reduced cam-out thanks to the T5 Torx drive design, ensuring secure fastening and longer tool life.
- High mechanical strength and durability with 100,000 psi tensile strength and Rockwell B96 hardness for reliable performance under stress.
- Precision threading for consistent engagement featuring a Class 4g6g thread fit and coarse 0.35mm pitch, enabling quick assembly and vibration resistance.
- Low-profile, rounded button head design provides a smooth finish and reduces snagging in compact applications.
- Full threading along the 4mm length maximizes grip and load distribution across the entire fastener.
- Compliance with major industry standards including ASME B18.3.4M, ensuring interchangeability and quality in metric fastener systems.
Professional Applications & Engineering Value
This M1.6 x 0.35mm metric screw is engineered to address critical challenges in precision assembly, such as space constraints and exposure to corrosive elements. The combination of 18-8 stainless steel and a passivated finish delivers exceptional resistance to oxidation and chemicals, prolonging service life in electronics, medical devices, and automotive components. The Torx drive (T5 size) minimizes slippage and tool wear, providing consistent clamping force in high-torque applications. Its fully threaded and coarse pitch design ensures rapid installation and reliable holding power, making it a trusted solution for engineers seeking durability and compliance in industrial screw applications.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 4g6g thread fit and metric coarse threading (0.35mm pitch), manufactured in compliance with ASME B18.3.4M. It meets environmental and safety regulations, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring suitability for global supply chains.
