S-93923A121 M4 x 16 mm DIN 85, ISO 1580 Stainless Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh industrial and marine environments
• High mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under load
• Precise thread engagement with Class 6g fit and coarse M4 x 0.7mm thread for secure fastening and vibration resistance
• Easy installation and removal featuring a standard slotted drive and fully threaded design for straightforward assembly
• Standardized dimensions with pan head profile conforming to DIN 85/ISO 1580, ensuring interchangeability and compatibility
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries
• Versatile rounded head design providing a low-profile, finished appearance while distributing clamping force effectively

Professional Applications & Engineering Value

This M4 pan head slotted screw delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical reliability are critical. The 316 Stainless Steel material combined with passivated finish provides superior protection against chloride-induced stress corrosion cracking, making it ideal for marine equipment, chemical processing, and outdoor industrial applications. The fully threaded design with coarse pitch ensures maximum thread engagement in various materials, while the slotted drive offers compatibility with standard tools for maintenance-friendly assemblies. With its rounded pan head profile, it provides excellent bearing surface without sharp edges, making it suitable for applications requiring both aesthetic appeal and functional performance in machinery, electrical enclosures, and structural components.

Specification Summary & Compliance

This metric screw features precise M4 x 0.7mm coarse threads with Class 6g tolerance for consistent fitment. Manufacturing conforms to DIN 85/ISO 1580 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. Additional specifications include 16mm length, 8mm head diameter, and right-hand thread direction.