![]() Remember, it's all about having the right tool for the job. The concussive "hammer" function is similar in all three of these tools, but they are built for different reasons. Impact Driver Set - 1/2Dr Heavy Duty - 10pc. Now, don't confuse an impact driver with an impact wrench or hammer drill. Home>Product Catalogue>Screwdrivers & Bit Sets>Impact Driver Sets. They are also louder, which some people object to, but you won't need to wear hearing protection for short durations of use.Ī Black & Decker impact driver for the DIYer is available for $76 including battery, or you can get a kit that includes both a drill/driver and impact driver like this one from Craftsman for $158.įor more, check out our latest tool test of 12V impact drivers. Impact drivers require a bit of feel to get used to. Unlike a drill/driver, there is no adjustable clutch. Impact driver bits are built to withstand more torque you can pick up this set of 70 bits from Makita for a reasonable $29. You can also use your impact driver as a drill if needed, and those hex shanked bits can, in a pinch, be used in a traditional drill/driver as well. If you add an impact driver to our arsenal, you'll need to invest in some quality 1/4-inch hex bits, which are available to fit any type of screw head. This makes the impact driver (with its often lesser torque and smaller tool bit) more suited towards driving smaller screws in for example construction work, while the more powerful impact wrench is more suitable for driving larger bolts and nuts in heavy mechanical settings, such as lug nuts.Play icon The triangle icon that indicates to play If you want to tighten bolts, you will need an impact driver.Īn electric impact driver typically delivers less torque and accepts smaller tool bits than an impact wrench. It can also used on different types of surfaces. Various materials may be used with it, including steel, iron, wood, plastic, and more. The impact drivers can be used on various types of nuts and bolts, and surfaces. Most impact drivers have a handle to make it easier to hold onto. This shouldn't be confused with the hammer mechanism found on hammer drills, which is a longitudinal blow. ![]() Typical battery-powered impact drivers are similar to electric drills when used to drive screws or bolts, but additionally have a spring-driven mechanism that applies rotational striking blows once the torque required becomes too great for the motor alone. It is also excellent for use with the Robertson square socket head screws that are in common use in Canada. This attribute is beneficial for Phillips screws which are prone to cam out. At the same time, the striking blow from the hammer forces the impact driver forward into the screw reducing or eliminating cam out. The tool translates the heavy rotational inertia of the sleeve to the lighter core to generate large amounts of torque. ![]() The spline is curved so that when the user strikes the outer sleeve with a hammer, its downward force works on the spline to produce turning force on the core and any socket or work bit attached to it. Manual impact drivers consist of a heavy outer sleeve that surrounds an inner core that is splined to it. The direction can also be reversed for situations where screws have to be tightened with torque greater than a screwdriver can reasonably provide. ![]() It is often used by mechanics to loosen larger screws, bolts and nuts that are corrosively "frozen" or over-torqued. The force can be delivered either by striking with a hammer in the case of manual impact drivers, or mechanically in the case of powered impact drivers. An impact driver is a tool that delivers a strong, sudden rotational force and forward thrust. ![]()
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