Cordless Impact Wrench – Not the Same Tool as Your Cordless Drill
The cordless impact wrench is rapidly getting more and more popular among professional auto-mechanics and the hobby auto-mechanics also. You perhaps consider ‘I already have a cordless drill that I utilize for impact practical applications’, why do I want a cordless impact wrench also?”. The 1st difference is on the inside. A cordless drill produces perpetual in-line torque. A cordless impact wrench engages an internal spring-loaded pulsating cam to create rotational torque.
Bosch Cordless Drill&Screwdriver
This produces the “impact” force that loosens a nut. It is similar to banging a wrench with a hammer to loosen a old nut only a lot faster. Contrary to a cordless drill – which produces perpetual in-line torque, a cordless impact driver utilizes an inner spring-loaded pulsating cam and gear mechanism to produce rotational torque or the impact force.
18-volt Lithium-Ion Cordless Impact Wrench
Other big difference, is the lack of reactionary torque. Reactionary torque is what you get with your cordless drill. You need to utilize brute force to maintain your drill from spinning the opposite direction in your hand. With a cordless impact wrench, that torque is orientated to the nut not your arm. You can easily control this tool with only one hand and let the cordless impact do all the work. No longer pulling down on the tool to drive that screw. These tools are as well smaller and lighter than a cordless drill. For instance a DeWalt cordless impact wrench is almost 35% the size of its corresponding cordless drill. This characteristic makes them perfect for those overhead projects and reaching into hard to get to places.
In the future when you begin that big deck project , forget the cordless drill in the box and snap your cordless impact wrench.