High Tensile Bolts: 8.8/10.9/12.9 Grade Strength for Heavy-duty Applications

High tensile bolts and nuts form a fundamental fastening system in industrial applications, designed to create secure and durable connections. Bolts, with their threaded shanks, are inserted through pre - drilled holes, while nuts are screwed onto the bolt ends to clamp components together. These high - tensile pairs are crafted from specialized steels, with the heat treatment process playing a pivotal role in achieving the desired strength levels. For instance, 8.8, 10.9, and 12.9 grade bolts have specific minimum tensile and yield strength requirements. In wind turbine installations, high tensile bolts and nuts are used to assemble the tower sections and secure the nacelle, ensuring stability against strong winds. In the oil and gas industry, they are employed in pipeline connections and rig structures, where resistance to high pressure and corrosion is critical. BOBFAST’s high tensile bolts and nuts undergo rigorous testing, including torque - tension tests to ensure proper fastening and fatigue tests to evaluate long - term performance, providing customers with reliable and high - quality products.