S-92581A560 M8 x 40 mm DIN 464 Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with a 30mm knurled round head for superior grip in tight spaces or when tools are unavailable
• Enhanced durability and corrosion resistance thanks to the black-oxide steel finish, extending service life in various industrial environments
• Reliable high-strength performance with a Rockwell B84 hardness and 70,000 psi tensile strength to withstand significant loads and vibrations
• Quick and precise installation with a coarse M8 x 1.25 mm thread and Class 6g fit, ensuring easy starts and secure fastening
• Full-thread engagement along the 40mm length for maximum holding power and stability in assemblies
• Raised profile design provides improved leverage and comfort during manual adjustment, reducing operator fatigue
• Compliance with international standards including DIN 464, RoHS 3, and REACH for guaranteed quality and environmental safety

Professional Applications & Engineering Value

These M8 thumb screws are engineered to solve common assembly challenges in industrial settings where frequent adjustments or tool-less access is required. The black-oxide steel construction offers excellent resistance to rust and wear, making them ideal for machinery, electronic enclosures, and automotive components exposed to moderate conditions. The coarse thread and fully threaded design ensure rapid installation and strong retention, while the knurled head allows for secure handling even with gloves. By meeting DIN 464 specifications, these screws deliver consistent dimensional accuracy and reliability, reducing downtime and maintenance costs in precision applications.

Specification Summary & Compliance

This thumb screw features a metric M8 x 1.25 mm coarse thread with a Class 6g thread fit for precise tolerances. It is manufactured in accordance with DIN 464 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.