S-94063A159 6-32 x 2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments
• High tensile strength of 70,000 PSI ensures reliable fastening under heavy loads and vibration
• Precise Class 2A thread fit provides smooth installation and consistent clamping force
• Drilled spanner drive design allows secure tool engagement and reduces stripping risk
• 82° countersink angle enables flush mounting for clean, professional-looking assemblies
• Full threading along 2" length offers maximum grip and adjustment flexibility
• Compliance with major industry standards including ASME B18.6.3 guarantees dimensional accuracy and reliability

Professional Applications & Engineering Value

These 6-32 UNC flat head screws deliver exceptional engineering value in demanding industrial applications where corrosion resistance and structural integrity are paramount. The combination of 18-8 stainless steel material and passivated finish creates a robust barrier against chemical exposure and atmospheric corrosion, significantly extending service life in manufacturing equipment, marine components, and food processing machinery. The drilled spanner drive configuration provides superior torque transmission compared to standard slotted heads, reducing installation time and preventing fastener damage during high-torque applications. With coarse UNC threads and full threading along the entire 2" length, these screws offer rapid installation and maximum thread engagement in both metallic and composite materials, making them ideal for assembly lines where efficiency and reliability are critical.

Specification Summary & Compliance

This flat head screw features precision Class 2A thread fit with UNC coarse threads, ensuring consistent performance and interchangeability. Manufacturing adheres to ASME B18.6.3 specifications for dimensional accuracy, including head diameter tolerance of -0.018" to 0" and standardized 82° countersink angle. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no restricted substances, making it suitable for global industrial applications with strict environmental requirements.