S-90388A511 M4 x 16 mm ASME B18.3.4M, ISO 7380 Tamper-Resistant Torx Steel Button Head Screws
Tamper-Resistant Torx Steel Button Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced tamper resistance with specialized T15 Torx drive for secure installations in high-security environments.
- Superior corrosion protection from black-oxide coating, extending service life in demanding industrial conditions.
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C38 hardness for reliable load-bearing performance.
- Precise thread engagement ensured by Class 6g coarse threads, reducing cross-threading risks during assembly.
- Broad compatibility with standard M4 metric coarse threading (0.7mm pitch) for versatile applications.
- Full-thread design maximizes grip length and distribution of clamping force across the entire fastener.
- Regulatory compliance with ASME B18.3.4M, ISO 7380, RoHS 3, and REACH for global quality and environmental standards.
Professional Applications & Engineering Value
Engineered for industrial and security-critical assemblies, this M4 tamper-resistant Torx screw addresses common challenges like unauthorized access and environmental degradation. The black-oxide alloy steel construction provides a durable barrier against rust and wear, while the Class 6g coarse thread ensures quick, secure fastening with reduced installation errors. Ideal for machinery, electronic enclosures, and public infrastructure, the fully threaded design and high tensile strength deliver consistent clamping force and vibration resistance, minimizing maintenance needs and downtime in metric fastener systems.
Specification Summary & Compliance
This screw adheres to Class 6g thread tolerance per ISO metric standards and is manufactured in compliance with ASME B18.3.4M and ISO 7380 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. Dimensions include M4 x 0.7mm thread pitch, 16mm length, and 7.6mm head diameter, with right-hand coarse threading for consistent performance.
