S-95635A607 3/8"-16 x 1 1/2" ASME B18.3 Tamper-Resistant Hex-Drive Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Tamper-resistant hex drive prevents unauthorized removal, enhancing security in public or restricted-access applications.
• 18-8 stainless steel construction offers excellent corrosion resistance, ensuring long-term reliability in harsh or outdoor environments.
• Passivated finish further boosts corrosion protection, extending the screw's service life and maintaining appearance.
• High tensile strength of 70,000 psi provides robust fastening power, suitable for heavy-duty and high-stress assemblies.
• Rockwell B70 hardness ensures high durability and resistance to wear, reducing the risk of stripping or head deformation during installation.
• Class 3A thread fit delivers precise, tight-tolerance threading for secure, vibration-resistant connections in critical machinery.
• Rounded button head design offers a low-profile, smooth finish that minimizes snagging and improves safety in user-accessible areas.

Professional Applications & Engineering Value

This tamper-resistant hex button head screw is engineered to address critical needs in security-sensitive and demanding industrial environments. Made from 18-8 stainless steel with a passivated finish, it combats corrosion in applications like outdoor enclosures, marine equipment, and chemical processing facilities, where moisture and corrosive agents are prevalent. The tamper-resistant drive deters vandalism and unauthorized access, making it ideal for public infrastructure, transportation systems, and secure electronic housings. With a high tensile strength and Class 3A UNC coarse threads, it ensures reliable, vibration-proof fastening in heavy machinery, automotive assemblies, and construction projects, reducing maintenance and replacement costs. Its rounded head profile adds safety by eliminating sharp edges, perfect for consumer-facing products.

Specification Summary & Compliance

This screw features precise 3/8"-16 UNC coarse threads with a Class 3A thread fit for accurate engagement and high load capacity. It is manufactured in compliance with ASME B18.3 standards, ensuring dimensional consistency and performance reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental and safety adherence for global industrial use.