S-90080A240 1/4"-20 Tamper Resistant Nuts

Tamper Resistant Nuts

1067FA00040 Tamper Resistant Nuts
1067FA00040 Tamper Resistant Nuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 1067FA00040
Equivalent to mcmaster :
90080A240

Basic Information

System of Measurement Inch
Nut Type Tamper Resistant

Dimension Parameters

Diameter 0.64"
Height 0.265"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style Tri-Groove

Material & Strength Parameters

Material Zinc-Plated Steel
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced tamper resistance with the specialized Tri-Groove drive, deterring unauthorized removal in public or high-security environments.
  • Superior corrosion protection from the zinc-plated steel construction, ensuring long-term durability and reliability in various industrial conditions.
  • Secure and reliable fastening with the Class 2B thread fit, providing consistent performance and reducing the risk of loosening under vibration.
  • Broad compatibility due to the 1/4"-20 UNC coarse thread, making it easy to install with standard matching bolts and tools.
  • Right-hand thread design for intuitive installation and removal when authorized, streamlining maintenance procedures.
  • Robust material strength from steel, offering high load-bearing capacity for demanding mechanical applications.
  • Optimized size at 0.64" diameter and 0.265" height for space-efficient designs without compromising on security or strength.

Professional Applications & Engineering Value

This 1/4"-20 UNC tamper resistant nut is engineered to address critical security and reliability challenges in industrial settings. The zinc-plated steel material combats rust and wear, extending service life in harsh environments like outdoor machinery or manufacturing floors. Its Tri-Groove drive system requires specialized tools for installation and removal, effectively preventing tampering in public infrastructure, electrical enclosures, and transportation equipment. The coarse thread spacing and right-hand thread ensure quick, secure fastening, reducing installation time while maintaining high clamp force. Ideal for security hardware applications, it provides peace of mind by safeguarding assets against unauthorized access, making it a vital component for engineers prioritizing safety and durability.

Specification Summary & Compliance

This nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy and reliable performance. It meets industry specifications for tamper-resistant fasteners, including precise thread size (1/4"-20), diameter (0.64"), and height (0.265"). The zinc-plated finish supports compliance with RoHS and REACH environmental regulations, ensuring safe use in various sectors. Manufactured to uphold industrial security requirements, it is suitable for applications demanding robust, compliant fastening solutions.

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