S-92552A423 M4 x 8 mm DIN 653 Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening and loosening with a precision knurled head for superior grip in tool-free applications.
• Enhanced durability and corrosion resistance provided by the black-oxide steel finish, extending service life.
• Reliable holding power with a high tensile strength of 70,000 psi for secure fastening in demanding environments.
• Quick and easy installation due to the coarse M4 x 0.7 mm thread and Class 6g fit, ensuring smooth engagement.
• Low-profile, round head design minimizes protrusion, making it ideal for applications with limited clearance.
• Full compliance with industry standards including DIN 653, ensuring consistent quality and dimensional accuracy.
• Safe for use in regulated industries as it is fully RoHS 3 and REACH compliant, meeting environmental and safety directives.

Professional Applications & Engineering Value

This M4 thumb screw is engineered to solve common industrial challenges where frequent adjustments or access are required without tools. The black-oxide steel construction offers excellent resistance to wear and environmental factors, while the fully threaded design and coarse thread provide rapid assembly and disassembly. The knurled head ensures a secure grip, even with gloved hands, reducing the risk of slippage and improving operator efficiency. Ideal for use in electronics enclosures, machinery panels, and jig fixtures, this metric thumb screw delivers reliable performance in maintenance-heavy and precision-driven industrial applications, streamlining operations and reducing downtime.

Specification Summary & Compliance

This thumb screw features an M4 x 0.7 mm metric coarse thread with a Class 6g thread fit for precise dimensional accuracy. It is manufactured in compliance with DIN 653 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and consistency for global industrial use.