S-91280A847 M16 x 65 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior Tensile Strength - Class 8.8 grade with 110,000 psi tensile strength ensures reliable performance in high-stress industrial applications.
• Enhanced Corrosion Resistance - Zinc plating provides durable protection against rust and environmental degradation, extending service life.
• Optimized Thread Design - M16 x 2 mm coarse thread with Class 6h fit offers excellent grip and vibration resistance in demanding conditions.
• Robust Material Hardness - Rockwell C21 hardness delivers exceptional wear resistance and durability under heavy loads.
• Secure Fastening Capability - External hex drive and 24 mm head width enable easy installation with standard tools and high torque application.
• Versatile Thread Configuration - Partially threaded 65 mm length with right-hand thread provides flexibility for various assembly requirements.
• International Standard Compliance - Meets ISO 4014 DIN 931 specifications ensuring interchangeability and quality assurance across global projects.

Professional Applications & Engineering Value

These M16 hex head screws deliver exceptional engineering value in heavy-duty industrial applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction combined with zinc plating addresses common challenges of material fatigue and environmental corrosion in machinery, construction, and manufacturing equipment. The metric coarse thread with 2 mm pitch ensures rapid assembly while maintaining secure fastening in steel-to-steel connections. The partially threaded design allows for precise clamping force distribution, making these hex bolts ideal for structural frameworks, industrial machinery, and automotive assemblies where reliability cannot be compromised.

Specification Summary & Compliance

This fastener features precision metric threading with Class 6h thread fit tolerance and complies with ISO 4014 DIN 931 manufacturing specifications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. Manufacturing adheres to international standards for dimensional accuracy, including the specified 65 mm length, 38 mm minimum thread length, and proper head dimensions (24 mm width, 10 mm height) for consistent performance.