S-93627A643 M3 x 16 mm ISO 7045 Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a silicone rubber O-ring that withstands extreme temperatures from -80° to 400° F and pressures up to 6000 psi, ideal for demanding fluid and gas containment applications.
• Excellent corrosion resistance due to the 18-8 Stainless Steel construction and passivated finish, ensuring long-term reliability in harsh or humid industrial environments.
• Reliable and secure fastening with a fully threaded M3 x 0.5 mm coarse thread and Class 6g fit, providing consistent clamping force and vibration resistance.
• Easy installation and removal featuring a standard pan (rounded) head with a No. 2 Phillips drive, allowing for efficient assembly with common tools.
• Broad industrial compatibility as a metric screw conforming to ISO 7045, ensuring interchangeability and fit in global machinery and equipment designs.
• Environmental and safety compliance by meeting RoHS 3 and REACH standards, making them suitable for use in regulated industries and eco-conscious supply chains.
• Optimized for maximum hole diameter of 3.65 mm, facilitating precise alignment and reducing the risk of cross-threading during installation.

Professional Applications & Engineering Value

This M3 rounded head sealing screw is engineered to address critical challenges in fluid power systems, pneumatic equipment, and precision instrumentation where leak prevention is paramount. The combination of 18-8 Stainless Steel and a passivated finish provides exceptional resistance to oxidation and chemical exposure, extending service life in corrosive settings. The integrated silicone rubber O-ring creates a robust seal against high-pressure fluids and gases, effectively preventing leaks that can lead to system failure, contamination, or downtime. Its fully threaded design and Class 6g thread fit ensure uniform stress distribution and secure fastening, even under vibration, making it a reliable choice for assembly lines, automotive components, and outdoor enclosures. By specifying this metric screw, engineers achieve enhanced sealing integrity and long-term operational safety.

Specification Summary & Compliance

This screw features an M3 x 0.5 mm coarse thread with a Class 6g thread fit per ISO general tolerance standards, ensuring precise dimensional accuracy and compatibility. It is manufactured in compliance with ISO 7045 for pan head screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of hazardous substances. The passivated finish on 18-8 Stainless Steel further supports its use in applications requiring high corrosion resistance and material integrity.