S-93395A601 M4 x 45 mm DIN 7991 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive 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 in harsh environments thanks to 316 stainless steel construction and passivated finish.
- High-strength performance with a 70,000 psi tensile strength for reliable fastening in demanding applications.
- Secure and flush installation enabled by the 90° countersink angle and flat head design.
- Efficient assembly and removal with the internal 2.5 mm hex drive, preventing tool slippage.
- Consistent and reliable thread engagement due to the Class 6g thread fit and coarse thread spacing.
- Maximum grip and holding power from the fully threaded shank along its entire 45 mm length.
- Guaranteed quality and safety through compliance with DIN 7991, RoHS 3, and REACH regulations.
Professional Applications & Engineering Value
This M4 flat head screw is engineered to solve critical challenges in industrial and marine environments where corrosion resistance is paramount. The core value lies in its 316 stainless steel material and passivated finish, which work synergistically to resist chemical attack and pitting, significantly extending service life in aggressive conditions. The fully threaded metric design with a coarse pitch ensures rapid installation and high vibration resistance, making it ideal for securing panels, machinery components, and structural assemblies. The combination of a hex drive and flat head with a standard profile allows for a clean, flush finish while providing high torque capability, preventing damage to the fastener and surrounding materials. This screw delivers engineering value by reducing maintenance frequency and preventing costly failures in demanding applications.
Specification Summary & Compliance
This fastener features a Metric M4 x 0.7mm thread with a Class 6g tolerance for precision fit. The head diameter is 8 mm with a tolerance of -0.36 to 0 mm, and the head height is 2.3 mm. It is manufactured to conform to the DIN 7991 standard. This product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial markets.
