S-91870A160 6-32 x 5/16" ASME B18.3 Tamper-Resistant Torx Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced Security: Tamper-resistant T10 Torx drive prevents unauthorized removal, ideal for public or high-security installations.
• Superior Corrosion Resistance: Made from 18-8 Stainless Steel with a passivated finish for excellent durability in harsh environments.
• High Mechanical Strength: Withstands up to 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening.
• Secure Flush Mounting: Undercut flat head with 82° countersink angle ensures a smooth, non-protruding finish for clean aesthetics and safety.
• Precise Thread Engagement: Fully threaded UNC coarse thread with Class 2A fit provides consistent, vibration-resistant connections.
• Broad Compliance: Meets ASME B18.3 specifications and is RoHS 3 and REACH compliant for safe, regulated use.
• Easy Installation: Right-hand thread and coarse spacing allow for quick assembly without compromising hold.

Professional Applications & Engineering Value

Engineered for demanding environments, these 6-32 UNC tamper-resistant flat head screws in 18-8 Stainless Steel address critical industrial needs. The passivated finish enhances corrosion resistance, making them suitable for outdoor equipment, marine hardware, and chemical processing facilities where moisture and chemicals are prevalent. The tamper-resistant T10 Torx drive provides an added layer of security, preventing vandalism and unauthorized access in public infrastructure, electronic enclosures, and machinery. With a fully threaded design and coarse thread spacing, they ensure rapid installation and strong retention in materials like metal and hard plastics, reducing maintenance and replacement costs. Ideal for OEM assemblies and MRO applications, these screws deliver reliability and compliance with global standards.

Specification Summary & Compliance

This screw features a 6-32 UNC thread size with Class 2A thread fit for precise dimensional accuracy and easy assembly. It is manufactured in accordance with ASME B18.3 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The right-hand thread direction and coarse spacing further support efficient fastening in various industrial settings.