S-90557A120 M1.6 x 2.5 mm DIN 925 Steel Slotted Flat Head Screws
Steel Slotted 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
- Enhanced corrosion resistance with black-oxide steel coating, extending service life in industrial environments.
- Precise flush mounting thanks to the standard flat head profile and 90° countersink angle, ideal for smooth surface finishes.
- Superior thread engagement with fully threaded design and Class 6g fit, ensuring reliable fastening in metric assemblies.
- High mechanical strength from Rockwell B71 hardness and 60,000 psi tensile strength, reducing risk of stripping or failure.
- Easy installation and removal with slotted drive style, compatible with standard tools for efficient maintenance.
- Extended tip design facilitates easier alignment and starting in pre-tapped or tight-tolerance holes.
- Compliance with international standards including DIN 925, RoHS 3, and REACH, ensuring safety and regulatory acceptance.
Professional Applications & Engineering Value
These M1.6 metric flat head screws are engineered for precision applications where space constraints and reliability are critical. The black-oxide steel construction provides excellent resistance to oxidation, making them suitable for electronics, instrumentation, and automotive assemblies exposed to moderate environmental stress. The fully threaded design with Class 6g thread fit ensures maximum holding power in thin materials, while the slotted drive allows for quick adjustments in compact areas. With a 90° countersink angle and extended tip, these screws enable seamless flush mounting and reduce installation time in high-volume production lines, delivering consistent performance in industrial fastening systems.
Specification Summary & Compliance
This product adheres to DIN 925 specifications, with precise metric thread sizing (M1.6 x 0.35mm pitch) and Class 6g tolerance for accurate fit. It meets RoHS 3 (2015/863/EU) compliance under exemption 6(a) for lead in steel alloys and is REACH (EC 1907/2006) compliant, ensuring environmental and safety standards are upheld for industrial use.
