S-96738A107 M4 x 25 mm DIN 912, ISO 4762 Vibration-Resistant Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with a nylon patch that maintains secure fastening under dynamic loads, preventing loosening in machinery and equipment.
• Superior corrosion resistance from 18-8 stainless steel construction, ensuring longevity in harsh industrial environments without rust or degradation.
• Reliable sealing performance with an integrated Buna-N rubber O-ring, offering effective protection against moisture, dust, and contaminants.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for dependable load-bearing capacity in demanding applications.
• Wide temperature tolerance from -70° to 250°F for the nylon patch and -40° to 225°F for the O-ring, suitable for extreme operational conditions.
• Precise metric threading with Class 6g fit and coarse pitch (0.7mm), enabling easy installation and secure engagement in standard M4 holes.
• Compliance with DIN 912/ISO 4762 standards, ensuring dimensional accuracy and interchangeability for global engineering projects.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered to address common industrial challenges like vibration-induced loosening and environmental exposure. The 18-8 stainless steel material provides excellent corrosion resistance, ideal for applications in manufacturing, automotive, and outdoor equipment where durability is critical. Combined with a nylon patch locking feature and Buna-N rubber O-ring, it delivers dual protection against unintentional unscrewing and ingress of liquids or debris. The fully threaded design with metric coarse thread ensures consistent clamping force, while the hex drive (3mm) allows for efficient installation in confined spaces. These attributes make it a reliable choice for assemblies requiring high tensile strength and long-term performance under varying pressures and temperatures.

Specification Summary & Compliance

This product adheres to DIN 912 and ISO 4762 specifications for dimensional consistency, including a Class 6g thread fit for precise tolerance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The screw features a maximum hole diameter of 4.546 mm and withstands up to 1500 psi pressure, supporting reliable use in standardized industrial fastening systems.