S-92558A618 M12 x 40 mm Thumb Screws

Key Features & Benefits at a Glance

• Superior manual operation with 36mm knurled head providing excellent grip and torque application without tools
• Exceptional corrosion resistance from 18-8 stainless steel construction for long-lasting performance in harsh environments
• High mechanical strength with Rockwell B83 hardness and 80,000 psi tensile strength for demanding industrial applications
• Precision threading with Class 6g metric thread fit ensuring reliable engagement and consistent fastening performance
• Complete thread coverage along the 40mm length for maximum holding power and versatile positioning
• Regulatory compliance with RoHS 3 and REACH standards for safe use across various industries
• Optimized dimensions with 20mm collar diameter and 15mm collar height for stable seating and distribution of clamping force

Professional Applications & Engineering Value

This M12 thumb screw delivers exceptional engineering value through its 18-8 stainless steel composition and fully threaded design, specifically engineered to address common industrial fastening challenges. The knurled head texture provides superior manual grip, eliminating the need for tools in applications requiring frequent adjustments or access panels. The corrosion-resistant properties make it ideal for machinery, electronic enclosures, and outdoor equipment where environmental exposure is a concern. With its coarse 1.75mm pitch metric threading and Class 6g thread fit, this thumb screw ensures quick installation and reliable performance in vibration-prone environments, reducing maintenance frequency and improving operational efficiency across manufacturing, automation, and assembly applications.

Specification Summary & Compliance

This metric thumb screw features precise M12 x 1.75mm coarse threading with Class 6g thread tolerance for optimal fit and function. The 40mm length provides full threading coverage, while the 36mm diameter knurled head ensures comfortable manual operation. Manufactured from 18-8 stainless steel with Rockwell B83 hardness and 80,000 psi tensile strength, this component meets rigorous industrial standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.