Hex Flange Bolts – M8 x 16mm, Reverse Thread, Performance Grade 12.9 Key Features and Specifications: • Size: M8 x 16mm bolt length with a rod length of 16mm (0.63 inch) • Thread Pitch: 1.25mm (0.05 inch) • Flange Diameter: 18mm (0.71 inch) • Hex Width: 9.8mm (0.39 inch) • Head Height: 9mm (0.35 inch) • Performance Grade: 12.9 for strength and durability Material and Build Quality: • Manufactured from grade 12.9 carbon steel for maximum strength • Black oxide finish provides corrosion resistance and a professional appearance • hardness and wear resistance for long service life • Precisionforged construction ensures reliability under heavy loads Design Advantages: • Lefthand reverse thread for specialized fastening applications • Hex head design reduces risk of slipping during tightening • Integrated flange works as a builtin washer to distribute load and secure fastening • Ideal for applications requiring firm, vibrationresistant locking Usage Notes: • Reverse thread design requires counterclockwise rotation to tighten • Measurements should be confirmed with a standard vernier caliper for accuracy Practical Applications: • Automotive and machinery maintenance where reversethread fasteners are required to prevent loosening in vibration environments • Securing rotating components such as pulleys or shafts that experience directional torque forces • Assembly of industrial equipment, tools, or heavyduty mechanical structures where strong, reliable fastening is critical This M8 x 16mm Grade 12.9 hex flange bolt with reverse thread offers strength performance, wear resistance, and a secure fastening solution for demanding mechanical and industrial needs.