S-91280A848 M16 x 70 mm ISO 4014, DIN 931, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments and minimizing maintenance needs.
• High hardness rating (Rockwell C21) provides excellent wear resistance, maintaining thread integrity through repeated use.
• Precision Class 6h thread fit guarantees secure, vibration-resistant connections in critical assembly operations.
• Coarse threading design enables faster installation and superior grip in various materials, improving assembly efficiency.
• Partial threading configuration offers optimal clamping force distribution, preventing joint loosening under dynamic loads.
• External hex drive design allows for high-torque application with standard tools, simplifying maintenance and disassembly procedures.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M16 hex head screws deliver exceptional performance where reliability is paramount. The Class 8.8 steel construction provides the necessary strength for structural connections, machinery assembly, and equipment manufacturing. The coarse metric thread with 2mm pitch ensures rapid installation while maintaining holding power in steel frameworks and industrial components. Zinc plating offers crucial corrosion protection in manufacturing facilities, outdoor equipment, and automotive applications. The partially threaded design concentrates clamping force precisely where needed, solving common issues of joint slippage and vibration-induced loosening in dynamic load environments. These hex head screws serve as trusted industrial fasteners for construction machinery, production equipment, and transportation systems requiring dependable, long-lasting connections.

Specification Summary & Compliance

This M16 x 2mm fastener features Class 6h thread fit precision and 70mm length with 38mm minimum thread length. Manufactured to exacting standards including ISO 4014, DIN 931, SAE J1199, and ISO 898 specifications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The external hex drive and right-hand thread configuration adhere to international metric fastener standards for universal compatibility.