View source for Portable Electric Screwdriver

[[File:DrillDriver.png|200px|right]]
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=====Description=====

'''[[Portable Electric Drills|Power Drills]]''' with speed and [https://en.wikipedia.org/wiki/Torque '''Torque Control'''] can be very effective also as powered screwdrivers but, more conveniently, a separate powered screwdriver can speed up working by avoiding the need constantly to change bits when drilling a series holes to receive screws. Such '''Drill Drivers''' are excellent when a constant [https://en.wikipedia.org/wiki/Torque '''Torque'''] for precision work is required. 


=====Features and Applications=====

[[File:ImpactDriver.png|200px|right]]
The effectiveness of '''[[Screwdrivers|Powered Screwdrivers]]''' is enhanced if a hammer-type action is applied as the screw is turned. This is the case with an [https://en.wikipedia.org/wiki/Impact_driver '''Impact Screwdriver'''] but note that the ''hammer-action'' acts in the direction of rotation to increase torque and not along the axis of the chuck as is the case with a '''[[Portable Electric Drills|Hammer Drill]]'''.


'''Impact Screwdrivers''' are popular with [https://en.wikipedia.org/wiki/Joiner '''Joiners'''] working on construction sites with long, modern wax-coated and self-countersinking screws which cut their own way through softwood building timbers avoiding the need for clearance or pilot holes. Instead of a keyless chuck, '''Impact Drivers''' have a collet which accepts [https://en.wikipedia.org/wiki/List_of_screw_drives '''interchangeable bits'''] with hexagonal shanks.


{{Electric Screwdriver Buyers Guide}}


[[Category:Portable Power Tools]]
[[Category:Levering, Twisting and Turning Tools]]