S-98052A445 M12 x 63.5 mm Thumb Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque application with a wide 63.5 mm four-arm zinc-plated cast iron head for easy hand-tightening and loosening without tools.
• Superior corrosion resistance and durability due to the black-oxide steel finish, extending service life in demanding industrial environments.
• High mechanical strength and reliability with a tensile strength of 70,000 psi and Rockwell B84 hardness, preventing stripping and deformation under load.
• Precise and secure fastening ensured by the Class 6g thread fit and M12 x 1.75 mm coarse thread, offering excellent engagement and vibration resistance.
• Quick and accurate component positioning with a 6.5 mm extended tip, simplifying alignment in assembly applications.
• Full thread coverage for maximum adjustability along the entire 63.5 mm length, providing versatile clamping and fastening options.
• Compliance with international environmental standards, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This M12 thumb screw is engineered to address common industrial challenges such as frequent adjustments and exposure to harsh conditions. The black-oxide steel material provides excellent resistance to rust and wear, while the zinc-plated cast iron head offers a robust, non-slip surface for high-torque applications. Its fully threaded design and coarse metric thread ensure quick installation and reliable holding power in machinery, electrical enclosures, and automotive assemblies. The extended tip aids in precise alignment, reducing assembly time and improving operational efficiency. Ideal for maintenance-heavy environments, this screw delivers consistent performance where durability and compliance are critical.

Specification Summary & Compliance

This thumb screw features a metric M12 x 1.75 mm coarse thread with Class 6g tolerance for precise fit, fully threaded along a 63.5 mm length. It complies with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006), meeting stringent environmental and safety standards for industrial components.