S-97760A912 M16 x 50 mm ASME B18.2.3.1M, ISO 898-1 Left-Hand Threaded Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with 110,000 psi rating ensures reliable performance under high-stress conditions
• Left-hand threading provides secure fastening in applications where right-hand threads would naturally loosen
• Class 8.8 strength grade delivers superior durability and load-bearing capacity for demanding industrial environments
• 24mm hex head design allows for easy installation and removal with standard tools while preventing stripping
• Fully threaded construction maximizes grip length and distributes stress evenly across the entire fastener
• Class 6g thread fit ensures precise engagement with mating components for vibration-resistant connections
• Rockwell C21 hardness provides excellent wear resistance and maintains thread integrity through repeated use

Professional Applications & Engineering Value

This M16x2mm Class 8.8 steel hex head screw with left-hand metric coarse threading addresses critical engineering challenges in industrial settings where reverse-rotation forces are present. The external hex drive combined with the 24mm head width provides superior torque transmission during installation, preventing tool slippage and ensuring consistent clamping force. The fully threaded design and Class 6g thread fit create reliable, vibration-resistant connections in machinery, equipment manufacturing, and structural applications where standard right-hand threads would be prone to loosening. The steel construction with Rockwell C21 hardness maintains dimensional stability under heavy loads, making it ideal for assembly lines, conveyor systems, and rotating equipment that require dependable left-hand fastening solutions.

Specification Summary & Compliance

This metric hex head screw features M16x2mm coarse left-hand threads with Class 6g tolerance for precise fitment. Manufactured to ASME B18.2.3.1M specifications and compliant with ISO 898-1 standards, the fastener delivers consistent performance across industrial applications. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements, ensuring environmental responsibility and workplace safety compliance.