A Nut Runner is a specialized tool designed for tightening or loosening nuts and bolts with precision and efficiency. Nut runners are commonly used in industrial and heavy-duty applications, where maintaining consistent torque is critical to ensure the integrity and safety of bolted joints. They are widely utilized in industries such as Oil & Gas, Manufacturing, Automotive, Construction, and Renewable Energy.

Hydraulic tensioners are devices used to precisely stretch bolts and studs by applying controlled hydraulic pressure. The process ensures accurate preload without the risk of over-torquing. The hydraulic pressure extends the fastener elastically, allowing for the nut to be tightened against the joint surface with minimal friction. Once the pressure is released, the fastener retains the desired load. These tools are widely used in industries such as Oil & Gas, Power Generation, and Heavy Equipment Assembly.

A planetary gear drive, also known as an epicyclic gear train, consists of a central sun gear, multiple planet gears, and an outer ring gear. This design provides high torque output with compact size and efficiency. Planetary drives are commonly used in torque multipliers, industrial machinery, and automated bolting tools where high reduction ratios and consistent torque output are required.

ATEX (Atmosphères Explosibles) certification is a European standard for equipment and protective systems used in potentially explosive atmospheres. Tools with ATEX certification are designed to operate safely in environments with flammable gases, vapors, or dust. This certification is critical for industries such as Oil & Gas, Petrochemicals, and Mining, where ignition sources must be strictly controlled.

Torque refers to the rotational force applied to a fastener (such as a bolt or nut), typically measured in Newton-meters (Nm) or foot-pounds (ft-lbs). Tension, on the other hand, is the axial force generated in the fastener as a result of the applied torque. While torque-based tightening methods rely on friction and thread deformation, tensioning ensures a more precise and consistent clamping force by stretching the fastener directly.

A torque multiplier is a mechanical device used to increase the applied torque while reducing the effort required by the operator. It uses internal gears (such as planetary gear systems) to amplify input torque, making it ideal for tightening or loosening high-torque fasteners. Torque multipliers are essential in industries like Heavy Machinery, Aerospace, and Wind Energy, where large bolts require significant force to secure.

Bolt preload is the initial tension applied to a fastener during installation to prevent loosening and ensure structural integrity. Proper preload distribution reduces the risk of fatigue failure, joint separation, and vibration-induced loosening. Achieving the correct preload is crucial in critical applications such as bridges, wind turbines, and pressure vessels, where bolt failure could lead to catastrophic consequences.