S-92552A426 M4 x 10 mm DIN 653 Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening and removal with a knurled round head for superior grip without tools, ideal for quick assembly and disassembly.
• Enhanced durability and corrosion resistance from the black-oxide steel finish, extending service life in various industrial environments.
• Reliable thread engagement and holding power with a coarse M4 x 0.7 mm thread and Class 6g fit, ensuring secure fastening in a wide range of materials.
• High mechanical strength under load with a Rockwell B84 hardness and 70,000 psi tensile strength, preventing stripping and deformation.
• Space-saving low-profile design with a head height of 3.5 mm, perfect for applications with limited clearance.
• Full-threaded right-hand design for maximum thread contact and consistent torque distribution along the entire 10 mm length.
• Guaranteed quality and safety with full compliance to DIN 653, RoHS 3, and REACH standards, ensuring environmental and regulatory adherence.

Professional Applications & Engineering Value

This M4 thumb screw is engineered to solve common industrial challenges where frequent access and reliable fastening are critical. The black-oxide steel construction provides excellent resistance to rust and wear, making it suitable for electronics enclosures, machinery panels, and automotive components exposed to moderate conditions. The knurled round head and low-profile design allow for high-torque manual operation without specialized tools, reducing assembly time and minimizing the risk of damage from overtightening. With its fully threaded metric coarse thread (M4 x 0.7 mm), it ensures quick installation and strong retention in pre-tapped holes or nuts, supporting maintenance-heavy and user-serviceable equipment. This combination of material robustness and ergonomic design delivers long-term industrial reliability and cost efficiency.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a Class 6g thread fit for consistent metric threading and a 10 mm length. It is manufactured in compliance with DIN 653 specifications, ensuring interchangeability and performance. The product is confirmed to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for use in regulated markets without hazardous substances.