S-98093A636 M10 x 45 mm ASME B18.2.3.9M, SAE J1199 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 high tensile strength (150,000 psi) and Rockwell C32 hardness for reliable performance in demanding applications.
• Superior corrosion resistance thanks to the black-phosphate steel coating, extending service life in harsh industrial environments.
• Secure and stable fastening with a 22.3mm flange diameter that distributes load evenly, reducing the risk of loosening under vibration.
• Easy installation and removal using the external hex drive and 15mm head width, compatible with standard tools for efficient assembly.
• Optimized thread engagement with coarse M10x1.5 threads and Class 6g fit, ensuring quick alignment and strong holding power.
• Versatile partial threading (min 26mm) allows for precise clamping force control in varied material thicknesses.
• Compliance with major standards including ASME B18.2.3.9M, RoHS 3, and REACH, guaranteeing quality and environmental safety.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial use, this M10 hex head screw in black-phosphate steel addresses critical challenges in machinery, automotive, and construction assemblies. The Class 10.9 high tensile strength (150,000 psi) and Rockwell C32 hardness ensure it withstands extreme loads and fatigue, reducing failure risks. Its coarse thread design (M10x1.5) with partial threading simplifies installation in thick materials, while the flanged head eliminates the need for separate washers, speeding up assembly and enhancing stability against vibrations. The black-phosphate surface treatment provides a robust barrier against rust, making it ideal for outdoor or corrosive settings. By meeting ASME B18.2.3.9M specifications, it delivers consistent dimensional accuracy, ensuring seamless integration into global engineering projects and boosting overall system reliability.

Specification Summary & Compliance

This fastener adheres to precise metric dimensions: M10 thread size with 1.5mm pitch, 45mm length, and a thread fit of Class 6g for optimal tolerance. It conforms to ASME B18.2.3.9M and SAE J1199 standards, ensuring interoperability and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and safe for industrial use worldwide.