What are high tensile fasteners?

Grade 8.8 high tensile steel is often referred to as the structural grade for bolts. It is the most common form of high tensile material and is usually stocked in plain finish or zinc. It can be plated in many other coatings.For high tensile steel grade 8.8, a torque wrench will be required for the tightening of said product. These products are built to last and work optimally under harsh usage and should be easily identifiable via a permanent marking on the head to allow the customer to differentiate them.