S-92558A370 M4 x 25 mm DIN 464 Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced manual operation with a 16 mm knurled round head and raised profile for superior grip without tools
- Exceptional corrosion resistance due to 18-8 stainless steel construction, ideal for harsh environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable load-bearing
- Precise thread engagement with M4 x 0.7 mm coarse Class 6g threads ensuring secure fastening and vibration resistance
- Full threading along the 25 mm length provides maximum adjustability and holding power in various applications
- Compliance with DIN 464 standards guarantees dimensional accuracy and interchangeability in metric assemblies
- Environmental and safety adherence with RoHS 3 and REACH compliance for sustainable and safe industrial use
Professional Applications & Engineering Value
This M4 thumb screw is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The 18-8 stainless steel material offers excellent resistance to rust and oxidation, making it suitable for outdoor equipment, marine hardware, and food processing machinery where hygiene and durability are critical. The knurled round head with a raised profile allows for quick, tool-free tightening and loosening, reducing assembly time and minimizing the risk of stripped fasteners. With a fully threaded design and coarse metric thread, it ensures robust clamping force in soft materials or panels, preventing loosening under vibration. Ideal for industrial applications like electronic enclosures, automotive components, and machinery guards, this screw combines ease of use with long-term reliability.
Specification Summary & Compliance
This thumb screw features precise M4 x 0.7 mm coarse threads with a Class 6g thread fit per ISO standards, ensuring accurate engagement and interchangeability. It adheres to DIN 464 specifications for dimensional consistency and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility in global markets.
