S-94855A281 4-40 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
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
- Excellent vibration resistance through Class 2B coarse thread fit, maintaining secure fastening under dynamic loads
- Easy manual installation and removal with external square drive design, reducing assembly time and tool requirements
- Reliable thread engagement with 4-40 UNC right-hand coarse threads, ensuring consistent performance in various applications
- Precise dimensional compatibility with 1/4" width and 3/32" height, enabling accurate fit in standard industrial components
- Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable manufacturing practices
- Enhanced durability through inch system standardization, providing long-term reliability in heavy-duty applications
Professional Applications & Engineering Value
This 4-40 UNC square nut delivers exceptional engineering value through its zinc-plated steel construction and Class 2B coarse thread design. The combination provides superior anti-corrosion properties and reliable thread engagement, solving common industrial challenges like fastener loosening due to vibration and environmental degradation. The external square drive enables quick installation in confined spaces, while the right-hand thread direction ensures compatibility with standard assembly procedures. Ideal for machinery, equipment manufacturing, and structural applications, these industrial square nuts maintain integrity under heavy loads and harsh conditions, reducing maintenance frequency and replacement costs.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 1/4" width and 3/32" height, this square nut features 4-40 UNC coarse threads with Class 2B thread fit for optimal clearance and engagement. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across industrial sectors. The inch system measurement and external square drive design adhere to industry-standard specifications for reliable performance in various mechanical applications.
