S-92552A431 M4 x 16 mm DIN 653 Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with a knurled round head for superior grip in tool-free applications
• Enhanced durability and corrosion resistance provided by the black-oxide steel finish
• Reliable and secure fastening ensured by the fully threaded M4 x 0.7 mm coarse thread with Class 6g fit
• High mechanical strength with a tensile strength of 70,000 psi and Rockwell B84 hardness for demanding environments
• Broad industrial compatibility due to compliance with the DIN 653 standard for dimensional consistency
• Safe for various applications as it is RoHS 3 and REACH compliant, meeting strict environmental regulations
• Versatile right-hand threading for standard installation and easy integration into existing metric assemblies

Professional Applications & Engineering Value

This M4 thumb screw is engineered to solve common industrial challenges where frequent adjustments or tool-less access is required. The black-oxide steel construction offers excellent resistance to rust and wear, extending the component's life in harsh conditions. The fully threaded design with a coarse thread pitch of 0.7 mm ensures quick and secure fastening, reducing assembly time in applications like electronic enclosures, machinery panels, and prototyping fixtures. The knurled round head provides a non-slip surface, enabling operators to tighten or loosen the screw quickly without specialized tools, enhancing operational efficiency and reducing downtime in maintenance and assembly lines.

Specification Summary & Compliance

This thumb screw features a metric thread size M4 x 0.7 mm with a Class 6g thread fit for precise dimensional accuracy. It is manufactured in accordance with DIN 653 specifications, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.