S-94063A331 M4 x 16 mm Tamper-Resistant Drilled Spanner Flat Head Screws
Tamper-Resistant Drilled Spanner Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
- Reliable high-strength performance with 80,000 psi tensile strength and Rockwell B96 hardness for demanding applications.
- Precise Class 6g thread fit ensures smooth assembly and secure, vibration-resistant connections.
- Fully threaded design provides maximum grip and holding power along the entire 16mm length.
- Easy installation and removal with a drilled spanner drive, reducing tool slippage and damage.
- Standard flat head profile with 90° countersink angle allows for a flush, unobtrusive finish.
- Compliance with RoHS 3 and REACH guarantees environmental safety and regulatory adherence for global markets.
Professional Applications & Engineering Value
This M4 flat head screw is engineered to address critical fastening challenges in industrial settings. The 18-8 stainless steel material, enhanced by a passivated finish, provides exceptional resistance to rust and chemical exposure, making it suitable for machinery, electronics, and outdoor equipment. The fully threaded metric screw with a Class 6g thread fit ensures tight tolerances and reduces the risk of loosening under vibration, common in automotive and assembly line applications. Its drilled spanner drive offers secure tool engagement, minimizing installation errors and enhancing worker efficiency. By combining high tensile strength with precise dimensions, this fastener delivers long-term reliability in industrial screws applications where failure is not an option.
Specification Summary & Compliance
This screw adheres to metric standards with an M4 thread size, 0.7mm coarse pitch, and Class 6g thread fit for precise dimensional accuracy. It is manufactured with a standard flat head profile and 90° countersink angle. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
