S-94066A852 8-32 x 5/8" Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws
Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
- High mechanical strength offering 80,000 psi tensile strength and Rockwell B96 hardness for reliable load-bearing performance
- Secure and tamper-resistant fastening through the drilled spanner drive, preventing unauthorized adjustments
- Easy installation and removal with UNC coarse threading and Class 2A fit, reducing assembly time and cross-threading risks
- Consistent full-length engagement due to fully threaded design, ensuring uniform clamping force across applications
- Broad regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Versatile rounded pan head profile providing a low-profile, finished appearance while distributing seating pressure effectively
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 18-8 Stainless Steel rounded pan head screw addresses common challenges like corrosion, vibration loosening, and installation efficiency. The passivated finish enhances surface durability against chemicals and moisture, while the UNC coarse thread and Class 2A fit enable quick, precise assembly in metals and plastics—reducing the risk of thread stripping. The drilled spanner drive offers a secure, tamper-resistant solution for machinery, enclosures, and electrical components where tool access is limited. Its fully threaded design ensures consistent holding power, making it a reliable choice for OEMs and maintenance teams seeking long-term fastening performance without frequent replacements.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured to deliver precise thread engagement and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards are upheld for industrial and export use.
