S-97760A929 M10 x 40 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

• Superior tensile strength with Class 8.8 rating and 110,000 psi capability for reliable performance in high-stress applications
• Enhanced corrosion resistance through zinc plating, extending service life in demanding industrial environments
• Left-hand threading design provides secure fastening in applications requiring reverse-direction locking mechanisms
• External hex drive configuration enables easy installation and removal with standard tools while preventing cam-out
• Coarse 1.5mm pitch threading ensures quick assembly and reduced cross-threading risks in production environments
• Full threading along 40mm length offers maximum engagement and adjustment flexibility in various material thicknesses
• Precision Class 6h thread fit guarantees consistent performance and reliable mating with corresponding nuts

Professional Applications & Engineering Value

This M10 left-hand hex head screw delivers exceptional engineering value in applications requiring reverse-thread security, such as rotating machinery, conveyor systems, and equipment where vibration-induced loosening is a concern. The Class 8.8 steel construction with Rockwell C21 hardness provides the necessary durability to withstand cyclic loading and harsh operating conditions. The zinc-plated finish offers reliable corrosion protection, making it suitable for manufacturing facilities, automotive assemblies, and outdoor equipment. The coarse metric threading with 1.5mm pitch ensures rapid installation in production lines while maintaining secure fastening. Engineered to meet rigorous industrial standards, this fully threaded hex screw solves critical fastening challenges where conventional right-hand threads would compromise safety and performance.

Specification Summary & Compliance

This M10x1.5x40mm hex head screw features precision Class 6h thread fit tolerance and coarse thread spacing according to metric standards. Manufactured from steel with zinc-plated finish, it complies with ASME B18.2.3.1M and ISO 898-1 specifications, ensuring dimensional accuracy and mechanical properties for industrial applications. The fastener meets international standards for Class 8.8 strength grade with verified 110,000 psi tensile strength and Rockwell C21 hardness, providing reliable performance in demanding B2B and industrial environments.