ER UM Standard wrench ER16 ER20 ER25 ER32 ER40 UM type
What is the use of hook wrench?
What Is the Purpose of Hook Spanner Wrenches? As an essential component in maintenance, assembly, and disassembly operations, the hook spanner wrench fulfills critical roles across diverse sectors. The main function of the hook spanner wrench is assembling the lock nuts from the sleeves.
A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects-usually rotary fasteners, such as nuts and bolts-or keep them from turning. A set of metric spanners or wrenches, open at one end and box/ring at the other.