S-94066A201 8-32 x 1 1/4" 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 rating and Rockwell B96 hardness for reliable, long-term fastening
• Precise thread engagement through Class 2A UNC coarse threads ensuring secure fits and reduced cross-threading risks
• Easy installation and removal with drilled spanner drive design for controlled torque application in confined spaces
• Full-length threading provides consistent grip along the entire 1 1/4" length for uniform load distribution
• Compliance with industry standards including ASME B18.6.3 and environmental regulations (RoHS 3, REACH) for quality assurance
• Versatile pan head profile offers a balanced combination of low profile and sufficient bearing surface for various applications

Professional Applications & Engineering Value

These 8-32 UNC stainless steel rounded head screws deliver critical performance where corrosion resistance and high tensile strength are paramount. The 18-8 stainless steel material combined with a passivated finish creates a protective barrier against oxidation and chemical exposure, significantly extending service life in demanding environments like marine equipment, food processing machinery, and outdoor structures. The Class 2A thread fit and coarse thread spacing enable quick assembly while maintaining vibration resistance, reducing maintenance frequency. The drilled spanner drive allows for secure tool engagement without slippage, making these fully threaded screws ideal for applications requiring both high clamping force and accessibility in tight spaces.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread form (8-32 size). These screws meet ASME B18.6.3 specifications for mechanical fasteners and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they contain no restricted substances. The fully threaded design maintains consistent thread diameter of 0.164" throughout the 1 1/4" length, providing reliable performance in industrial applications requiring standardized components.