Should You Buy An Impact Driver Or An Impact Wrench?

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Should You Buy An Impact Driver Or An Impact
Wrench?
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• Whether you need to remove a particularly
  stubborn nut, or drive a screw into an especially
  hard surface, impact power tools are fantastic at
  enabling you to handle a wide range of tough
  tasks with ease.
• Modern innovations coupled with intensive RD on
  lithium-ion batteries, has seen the market become
  dominated by impact tools of the cordless
  variety. Now powerful enough and efficient enough
  to replace their corded counterparts (and even
  some tools that are pneumatic), while they are
  all useful additions to a workshop or toolkit,
  its important to recognise that not all impact
  tools offer the same advantages.

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• To help you understand the difference between an
  impact driver and an impact wrench, and to have a
  better idea of which one you should buy (unless
  you choose to buy both, of course), here is a
  handy comparison guide

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• Drive
• When you look at both an impact driver and an
  impact wrench, its clear to see that their
  designs are very similar, until your eye comes to
  rest on the drive. Sometimes referred to as a
  chuck or collet, the drive of an impact driver
  can only accommodate hex bits of a ¼ inch, which
  is ideal for fastening a variety of screws. On an
  impact wrench, however, the drive is referred to
  as a square drive, and they are available in
  three sizes of ¼ inch, 3/8s of an inch, and ½
  inch. These drives also come in two different
  styles, known as friction ring or pin detent.
  Impact wrenches are operated with sockets, rather
  than screwdriving bits.

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• Power
• You will also notice another distinct difference
  between the power and torque of the two impact
  tools. While both deliver undeniably great power,
  how that power is applied and used, differs
  significantly. Lets look at an example
• Typically used to either drill long screws into
  different materials, or remove them, an impact
  drivers torque is measured in inch-pounds, or
  in-lb. Impact wrenches on the other hand, are
  most commonly used to tighten or loosen hex head
  fasteners, such as bolts and nuts. The force
  created when used for such tasks is measured in
  foot-pounds, or ft-lbs, and when the two tools
  are compared, impact wrenches usually come out on
  top, with more power and torque available.

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• To recap
• While very similar in the way in which they are
  designed, the two tools share no other
  similarities, and are often seen as being trade
  specific. As such, it really depends on what type
  of application or task you plan to use the tool
  to help you with. For example, if youre
  undertaking a DIY project at home, or are working
  on a job site that requires you to drive in a lot
  of screws, youll definitely want to be using an
  impact driver its speed and power will help you
  make short work of the task. However, if youre
  working on industrial machinery or automobiles
  and need to fasten or remove lots of nuts and
  bolts, an impact wrench should be your tool of
  choice thanks to the higher torque it offers.

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• Assess the type of tasks you plan to carry out
  before investing in a high quality, branded
  impact wrench or driver, or buy both to ensure
  that you can get a variety of tasks completed
  efficiently. Browse from a wide selection of
  power tools online, and have your final choice
  delivered safely to your door.

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