S-92581A280 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 grip and torque application with knurled round head design for secure manual tightening without tools
- Superior corrosion resistance and durability thanks to black-oxide steel construction, extending service life in harsh environments
- High mechanical strength with Rockwell B84 hardness and 70,000 psi tensile strength for reliable performance under load
- Precise and secure fastening ensured by fully threaded M4 x 0.7 mm coarse thread with Class 6g fit for consistent engagement
- Quick and easy installation with right-hand threading and raised head profile for efficient manual operation
- Broad industrial compatibility due to compliance with DIN 464 standards, ensuring interchangeability and quality
- Safe for regulated applications as it meets RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
This M4 thumb screw is engineered to address common industrial challenges such as frequent adjustments and tool-less access requirements. The black-oxide steel material provides excellent resistance to rust and wear, making it ideal for machinery, electronics, and automotive assemblies where durability is critical. Its fully threaded design with coarse threading ensures rapid installation and strong holding power, while the knurled round head offers superior grip even with gloves, reducing slippage and improving operator safety. By integrating metric thread specifications and high tensile strength, this screw delivers reliable performance in vibration-prone environments, supporting efficient maintenance and reducing downtime in industrial applications.
Specification Summary & Compliance
This thumb screw features precise Class 6g thread fit per ISO metric standards, with dimensions of M4 x 0.7 mm thread and 25 mm length. It is manufactured in accordance with DIN 464 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality assurance for global industrial use.
