S-90909A638 10-32 x 1 1/2" Stainless Steel Flanged Button Head Hex-Drive Screws
Stainless Steel Flanged 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
- Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
- Precise thread engagement with Class 3A UNF fine threads ensuring secure, vibration-resistant connections in critical assemblies
- Enhanced installation control through the 1/8" hex drive and wide button head design, allowing for efficient torque application
- Integrated flange feature provides increased bearing surface, distributing load effectively and eliminating the need for separate washers
- Full threading along the 1 1/2" length enables maximum adjustability and grip depth in various material thicknesses
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for regulated industries
Professional Applications & Engineering Value
This 10-32 UNF 316 stainless steel rounded head screw is engineered to address common industrial challenges such as corrosion-induced failure and joint loosening under dynamic loads. The combination of 316 stainless steel material and passivated finish provides outstanding resistance to chemicals, moisture, and salt spray, making it ideal for marine, chemical processing, and outdoor applications. The Class 3A thread fit and fine UNF threading deliver superior clamping force and vibration resistance, critical in machinery, precision equipment, and automotive assemblies. The flanged design and hex drive simplify installation while reducing assembly time, offering a reliable solution for engineers seeking durability and compliance in demanding environments.
Specification Summary & Compliance
This fastener adheres to UNF thread standards with a Class 3A thread fit for high precision. It is manufactured from 316 stainless steel with a passivated finish, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory alignment for global supply chains.
