Hexagon Bolt (4.8, 6.8, 8.8, 10.9, 12.9) Constructure Hign Tensile Bolt DIN6914/DIN6915/DIN6916 Finish: Black, H. D. G. Grade: 4.8, 6.8, 8.8, 10.9, 12.9 Size: M16---M36 The following are our company and factory practice and motto: 1. High production quality; 2. Reasonable and competitive price; 3. Quick delivery;