S-90910A669 0-80 x 1/4" ASME B18.3 Stainless Steel Button Head Torx Plus Screws
Stainless Steel Button Head Torx Plus 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 and passivated finish, ideal for harsh environments and extended service life.
- Maximum torque transmission and reduced cam-out using the Torx Plus IP5 drive, ensuring secure fastening and preventing tool slippage.
- High tensile strength of 60,000 psi and Rockwell B55 hardness for reliable performance under significant mechanical stress.
- Precise Class 2A thread fit and fine UNF threading for secure engagement and vibration resistance in precision assemblies.
- Low-profile rounded button head design provides a finished appearance and minimizes protrusion in compact spaces.
- Full threading along the 1/4" length offers consistent holding power and flexibility in various material thicknesses.
- Compliance with ASME B18.3, RoHS, and REACH standards ensures dimensional accuracy, safety, and environmental responsibility.
Professional Applications & Engineering Value
This 0-80 UNF Torx Plus rounded head screw is engineered to address critical challenges in precision engineering and industrial assembly. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for electronics, medical devices, and aerospace components where reliability is non-negotiable. The Torx Plus IP5 drive system delivers higher torque transfer compared to traditional drives, reducing the risk of fastener failure and tool wear. With a fine thread and Class 2A fit, it ensures tight, secure connections that resist loosening under vibration, while the rounded button head offers a sleek, low-profile solution for applications requiring both aesthetic appeal and functional performance.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances and the UNF (Unified National Fine) thread standard, ensuring precise dimensional accuracy. Manufacturing and quality are governed by ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its safety and sustainability for global industrial use.
