S-96887A329 M4 DIN 557 Square Nuts
Square Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments.
- Reliable thread engagement with Class 7H thread fit, ensuring precise mating and reducing the risk of loosening under vibration.
- High load-bearing capacity from Class 5 strength grade, providing dependable performance in demanding applications.
- Easy installation and removal using an external square drive, allowing for quick assembly with standard tools.
- Wide compatibility with M4 coarse (0.7 mm pitch) right-hand metric threads, fitting common industrial components seamlessly.
- Compact design with 7 mm width and 3.2 mm height, saving space in tight assemblies without compromising strength.
- Compliance with safety standards including RoHS 3 and REACH, ensuring environmental and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This M4 square nut is engineered with zinc-plated steel to combat corrosion in industrial settings like machinery, automotive, and electrical enclosures, where exposure to moisture and chemicals is common. The coarse thread design (0.7 mm pitch) and right-hand thread enable rapid assembly and disassembly, reducing labor time in high-volume production lines. Its external square drive allows for secure tool engagement, minimizing slippage and damage during tightening. Complying with DIN 557 standards, this nut delivers consistent quality and interchangeability, making it ideal for metric hardware systems that require dependable, reusable fastening solutions in structural and mechanical applications.
Specification Summary & Compliance
This square nut features an M4 x 0.7 mm coarse thread with Class 7H thread fit for precise dimensional accuracy per metric standards. It adheres to DIN 557 manufacturing specifications and is constructed from zinc-plated steel with a Class 5 strength grade. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for industrial use.
