If you require just one tool for replacing parts or driving in screws, an impact drill will do the work of two. Its function remains the same as that of any other sort of power drills. You can change all kinds of fasteners, including hex heads and square drives. You can use lumber, masonry bits, wood bits and metal types equally with an impact wrench that has a square drive. Eye protection is important. If you don't have a spotter, enlist one. It's also important to wear protective eyewear when working with any machine or tool (even drills). Henceforth, we will discuss the differences between these three electric tools and against traditional types. (means impact drills, electric drills and hammer drills.)Traditionally, a hammer drill seems an obvious choice to make when trying to bore through rock bit hammer holes in masonry. By its very nature, it will hardly be deeply drunk in people's minds after all which power tool bits dissiminate dust-laden rock particles out into space?Instead, use an impact wrench to ensure that your torque screws or nuts are firmly tightened into place."It's all about relieving stress on the metal at this point on the other hand, you can't relieve a lot of it" admitted one professional. This is one of those times when an impact wrench comes in handy as explained later on so don't give up too soon!A point that is often overlooked with regard to adjusting nuts: the hex head of any screw turns clockwise and counterclockwise both. But one thing that doesn't change no matter how many times it does is the direction of its turning... so simply set yours to tighten! Since this is one of those tasks (tuning a nut) for which confusion can occur easily setting any wrench tight-end upwards should eliminate most problems. Alternatively use the impact wrench on those stubborn bolts and nuts.