S-94063A153 6-32 x 1" 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 construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening
• Precision threading with UNC coarse thread and Class 2A fit ensures smooth installation and secure holding power
• Optimized head design featuring standard flat profile and drilled spanner drive for flush mounting and tool accessibility
• Full thread coverage along the 1" length provides maximum grip and uniform stress distribution
• Industry compliance meets ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

These 6-32 UNC flat head screws deliver critical performance in demanding applications where flush surface mounting and corrosion resistance are paramount. The combination of 18-8 stainless steel material and passivated finish provides exceptional protection against oxidation and chemical exposure, extending service life in manufacturing equipment, electronic enclosures, and marine components. The drilled spanner drive offers superior torque transmission compared to standard slotted heads, reducing tool slippage and damage during installation. With fully threaded construction and coarse UNC threading, these screws provide rapid assembly and reliable clamping force in sheet metal, plastic, and composite materials, making them ideal for high-volume production environments requiring consistent, repeatable fastening solutions.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerance for precise engagement. Features include: 6-32 UNC thread size, 1" length, 82° countersink angle, and full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The flat head profile maintains dimensional consistency with head diameter tolerance of -0.018" to 0" for uniform countersinking.