S-94066A203 8-32 x 1 1/2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Stainless Steel Pan 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 80,000 psi tensile strength and Rockwell B96 hardness for reliable heavy-duty fastening
• Precise thread engagement through Class 2A thread fit and UNC coarse threading, ensuring consistent installation performance
• Enhanced tool engagement with drilled spanner drive design, providing secure torque application during assembly
• Optimized load distribution through rounded pan head profile, minimizing surface damage in demanding applications
• Full-threaded design offering maximum grip length and uniform stress distribution across the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 standards, RoHS 3, and REACH for global industrial acceptance

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 18-8 stainless steel rounded head screw delivers exceptional performance where corrosion resistance and mechanical reliability are critical. The combination of 80,000 psi tensile strength and Rockwell B96 hardness ensures dependable fastening in heavy machinery, manufacturing equipment, and structural assemblies. The passivated finish significantly enhances corrosion protection, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. The UNC coarse threading with Class 2A fit provides rapid installation and secure holding power, while the drilled spanner drive enables precise torque control in confined spaces. These fully threaded screws are particularly valuable in maintenance operations, OEM equipment manufacturing, and industrial automation systems where fastener failure is not an option.

Specification Summary & Compliance

This 8-32 UNC screw maintains precise dimensional accuracy with Class 2A thread fit tolerances and full compliance with ASME B18.6.3 manufacturing specifications. The fastener meets stringent regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental responsibility and global market acceptance. Manufacturing adheres to industrial standards for 1-1/2" length precision, 0.322" head diameter consistency, and proper thread spacing to guarantee reliable performance in professional applications.