S-90909A635 8-32 x 1" 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 and Passivated finish, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads.
- Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading in assembly.
- Easy installation and removal with a 3/32" hex drive, minimizing tool slippage and speeding up maintenance.
- Enhanced stability and load distribution thanks to the flanged, wide rounded button head design.
- Full threading along the 1" length allows for maximum grip and adjustability in various material thicknesses.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
Professional Applications & Engineering Value
Engineered for industrial applications where corrosion resistance and mechanical reliability are critical, these 8-32 UNC Rounded Head Screws address common challenges in machinery, marine, and chemical processing equipment. The combination of 316 Stainless Steel and a Passivated finish significantly extends service life by resisting oxidation and chemical attack, while the Class 3A thread fit and coarse UNC threading ensure quick, secure fastening even in high-vibration settings. The flanged button head distributes clamping force evenly, reducing surface damage and providing a low-profile, tamper-resistant solution. Ideal for B2B procurement, these screws deliver consistent performance in assembly lines, outdoor enclosures, and precision instruments, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This screw features precise Class 3A thread fit per UNC standards, with a thread size of 8-32, coarse spacing, and right-hand direction. Dimensions include a 1" length, 0.164" thread diameter, and 0.359" flange diameter. Manufactured from 316 Stainless Steel with Rockwell B70 hardness and 70,000 psi tensile strength, it is fully threaded and includes a 3/32" hex drive. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations for industrial use.
