S-94063A197 8-32 x 3/4" 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, ideal for harsh environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibrations.
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening in industrial applications.
• Drilled spanner drive design provides tamper-resistant security and easy installation with specialized tools.
• Standard 82° countersink angle allows for a flush, low-profile finish in machined surfaces.
• Full threading along the 3/4" length offers maximum grip and adjustment flexibility.
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures safety, quality, and environmental standards are met.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 8-32 UNC flat head spanner screws are crafted from 18-8 stainless steel with a passivated finish to combat rust and chemical exposure, extending service life in machinery, electronics, and outdoor equipment. The coarse UNC threads and Class 2A fit reduce cross-threading risks, while the drilled spanner drive enhances tamper resistance in public or high-security assemblies. With a Rockwell B70 hardness and 70,000 psi tensile strength, they withstand repetitive stress, making them ideal for fastener applications where reliability and corrosion resistance are critical.

Specification Summary & Compliance

This screw adheres to ASME B18.6.3 specifications, with precise dimensions including a 3/4" length, UNC 8-32 thread size, and Class 2A thread fit for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring no hazardous substances, and features a standard 82° countersink angle for seamless integration.