S-94066A613 M4 x 10 mm Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments and long-term reliability.
• High mechanical strength and durability offering 80,000 psi tensile strength and Rockwell B85 hardness for secure, vibration-resistant fastening.
• Precise and reliable thread engagement with Class 6g thread fit and M4 x 0.7mm coarse pitch, ensuring easy assembly and reduced cross-threading risks.
• Secure tamper-resistant drive featuring a drilled spanner (No. 8) in a rounded pan head, providing a flush finish and controlled torque application.
• Full threading along the 10mm length for maximum grip and load distribution across the entire fastened joint.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.
• Standard metric dimensions and right-hand threading for broad compatibility and straightforward integration into existing metric assembly systems.

Professional Applications & Engineering Value

This M4 rounded head spanner screw is engineered to address critical challenges in precision assembly and maintenance. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for applications in electronics, machinery, and outdoor equipment where corrosion resistance is paramount. The drilled spanner drive allows for secure installation in confined spaces, reducing the risk of tool slippage and head stripping. With a Class 6g thread fit and coarse pitch, it ensures quick and reliable fastening, minimizing assembly time while maintaining high clamp load integrity. These features make it an optimal choice for industries requiring durable, tamper-resistant, and regulation-compliant fastening solutions.

Specification Summary & Compliance

This screw adheres to metric threading standards with an M4 diameter, 0.7mm pitch, and 10mm length. The thread fit Class 6g ensures dimensional accuracy for consistent performance. It is manufactured from 18-8 stainless steel with a passivated finish and is fully threaded. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for industrial use.