S-94063A831 10-32 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, long-lasting fastening under demanding loads.
• Precise Class 2A thread fit and UNF fine thread design for smooth installation and secure, vibration-resistant connections.
• Drilled spanner drive provides a tamper-resistant and clean aesthetic, suitable for specialized tools.
• Standard 82° countersink angle allows for a flush, low-profile finish in countersunk holes.
• Fully threaded shank maximizes grip and load distribution along the entire fastener length.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.

Professional Applications & Engineering Value

This 10-32 UNF flat head spanner screw is engineered for precision applications where reliability and corrosion resistance are critical. The 18-8 stainless steel material, combined with a passivated finish, provides excellent protection against rust and chemical exposure, making it ideal for machinery, electronics, and outdoor equipment. The drilled spanner drive offers a secure, tamper-resistant fastening solution, while the UNF fine thread and Class 2A fit ensure tight, stable connections that resist loosening under vibration. With a Rockwell B70 hardness and 70,000 psi tensile strength, it delivers consistent performance in high-stress industrial environments, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw features a 10-32 UNF thread size with Class 2A thread fit and right-hand thread direction, ensuring precise dimensional accuracy. It meets ASME B18.6.3 specifications for dimensional standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental adherence for global industrial use.