S-91005A039 M16 Flange Nuts
Flange Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion protection with black-oxide steel coating, extending service life in demanding industrial environments.
- Superior load distribution thanks to the 33mm flange diameter, reducing surface pressure and preventing material damage.
- Reliable thread engagement with Class 6G thread fit, ensuring consistent performance and reducing the risk of cross-threading.
- Efficient installation and removal using standard 24mm external hex drive, compatible with common tools for faster assembly.
- Robust construction for heavy-duty applications with M16 coarse thread (2mm pitch), providing strong holding power in high-vibration settings.
- Compliance with environmental standards including RoHS 3, making it suitable for regulated industries and global supply chains.
- Versatile metric sizing for seamless integration into international engineering projects and machinery.
Professional Applications & Engineering Value
This M16 flange nut is engineered from black-oxide steel to address common industrial challenges like corrosion and vibration-induced loosening. The integrated 33mm flange acts as a built-in washer, distributing clamp load over a wider area to protect soft materials and reduce the need for additional components. With a Class 6G thread fit and coarse pitch, it ensures quick assembly and reliable performance in heavy machinery, automotive systems, and structural frameworks. The external hex drive allows for high-torque application, making it ideal for maintenance and production lines where durability and efficiency are critical.
Specification Summary & Compliance
This metric flange nut features M16x2mm coarse right-hand thread with Class 6G tolerance for precise fit. It complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel alloys. Dimensions include a 24mm width across flats, 21mm height, 33mm flange diameter, and 5mm flange thickness, manufactured to standard industrial specifications for consistent quality and performance.
