S-99607A256 M2 x 4 mm Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with a 6mm knurled round head for superior grip and torque application without tools
• Excellent corrosion resistance provided by 18-8 Stainless Steel material, ideal for harsh industrial environments
• Reliable mechanical performance with 80,000 psi tensile strength and Rockwell B85 hardness for durable, repeated use
• Precise and secure fastening ensured by Class 6g thread fit and coarse 0.4mm pitch for quick assembly and vibration resistance
• Versatile installation with fully threaded M2 x 4mm design and flared collar for stable seating in various applications
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries

Professional Applications & Engineering Value

This M2 thumb screw is engineered to address common challenges in precision assembly and maintenance, where tool-less access and reliable fastening are critical. The 18-8 Stainless Steel construction offers superior corrosion resistance, making it suitable for electronics, medical devices, and outdoor equipment exposed to moisture or chemicals. The knurled head and flared collar design provide exceptional grip and prevent over-tightening, reducing installation time and minimizing damage to sensitive components. With a fully threaded metric body and Class 6g thread fit, it ensures consistent engagement and holding power in high-vibration environments, supporting efficient production lines and field service operations.

Specification Summary & Compliance

This thumb screw features a metric M2 x 0.4mm coarse thread with Class 6g tolerance for precise fit, and is fully threaded with a right-hand direction. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.