S-98694A218 7/8"-9 Square Nuts
Square Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional strength and durability with Grade 5 steel construction, ensuring reliable performance in heavy-duty industrial applications.
- Precise Class 2B thread fit for smooth assembly and reduced risk of cross-threading, enhancing installation efficiency.
- Coarse UNC thread design provides superior resistance to vibration loosening, ideal for high-stress environments.
- External square drive style allows for easy installation and removal using standard tools, minimizing downtime.
- RoHS 3 and REACH compliance ensures environmental safety and meets stringent regulatory standards for industrial use.
- Right-hand thread direction offers compatibility with common fastening systems, streamlining procurement and inventory.
- Robust 1 5/16" width and 49/64" height delivers a secure grip and stable fastening in demanding mechanical assemblies.
Professional Applications & Engineering Value
This Grade 5 steel square nut with a 7/8"-9 UNC coarse thread and Class 2B thread fit is engineered to address common industrial challenges, such as vibration-induced failures and assembly inefficiencies. The coarse pitch thread enhances grip and resists loosening under dynamic loads, making it ideal for heavy machinery, construction equipment, and automotive systems. Made from high-strength steel, it withstands extreme forces and corrosive environments, while the external square drive simplifies maintenance with standard tool compatibility. By ensuring precise thread engagement, it reduces the risk of strip-outs and improves overall system reliability in industrial fastening applications.
Specification Summary & Compliance
This square nut features a 7/8"-9 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy, adhering to standardized tolerances. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. Manufactured to Grade 5 strength specifications, it guarantees high tensile performance and durability in various mechanical assemblies.
