S-90909A542 M8 x 30 mm ISO 7380 Stainless Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh chemical and marine environments.
• Enhanced load distribution and vibration resistance due to the integrated flange, reducing the need for separate washers and preventing loosening.
• High tensile strength of 70,000 psi ensures reliable performance and structural integrity under significant mechanical stress.
• Secure and efficient installation with a 5 mm hex drive, providing excellent torque transfer and reducing the risk of tool slippage.
• Precise and reliable thread engagement with a Class 6g thread fit, ensuring consistent fastening in metric assemblies.
• Streamlined, low-profile button head design offers a smooth finish that minimizes snagging and improves safety in machinery applications.
• Full compliance with international standards including ISO 7380, guaranteeing dimensional accuracy and interchangeability.

Professional Applications & Engineering Value

This M8 x 1.25 mm 316 stainless steel flanged button head screw is engineered to solve critical challenges in demanding industrial settings. The 316 stainless steel material and passivated finish provide exceptional resistance to pitting and crevice corrosion, making it a top choice for chemical processing equipment, marine hardware, and food-grade machinery where exposure to corrosive agents is a constant concern. The integrated flange distributes clamping force over a wider area (17.8 mm diameter), which helps prevent surface damage and compensates for misaligned holes, reducing assembly time. Combined with a coarse thread pitch and Class 6g thread fit, it ensures quick installation and a secure hold in metals and plastics, enhancing the longevity and reliability of the overall assembly.

Specification Summary & Compliance

This screw features an M8 thread size with a 1.25 mm coarse pitch and a Class 6g thread fit per standard metric tolerances. It is fully threaded and manufactured in compliance with the ISO 7380 standard for dimensional accuracy. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for hazardous substances.