S-94066A192 8-32 x 3/8" ASME B18.6.3 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 environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness for reliable load-bearing performance
- Secure tamper-resistant installation using the drilled spanner drive, preventing unauthorized removal
- Optimized thread engagement with UNC coarse threading and Class 2A fit for quick assembly and vibration resistance
- Versatile rounded pan head design providing a low-profile, finished appearance while distributing clamping force effectively
- Full thread coverage along the 3/8" length for maximum grip and adjustment flexibility in various material thicknesses
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This 8-32 UNC rounded pan head screw delivers critical reliability in industrial fastening where corrosion resistance and tamper-proof security are paramount. The 18-8 stainless steel material combined with a passivated finish provides excellent protection against oxidation and chemical exposure, extending service life in marine, food processing, and outdoor equipment. The drilled spanner drive design ensures secure installation in high-vibration environments like machinery, automotive assemblies, and electronic enclosures, while the coarse UNC threading enables rapid installation in soft materials or blind holes. Its fully threaded 3/8" length offers consistent clamping force, making it ideal for precision components, panel fastening, and maintenance applications requiring repeated access.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit for consistent dimensional accuracy and interchangeability. The screw features UNC coarse threads (8-32 size) with a right-hand thread direction and standard rounded pan head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. Mechanical properties include 80,000 psi tensile strength and Rockwell B96 hardness for dependable performance.
