How to Choose an Electric Screwdriver II

Cited from: http://www.ehow.com/how_7835419_choose-electric-screwdriver.html

By Jeffery Keilholtz, eHow Contributor

updated: January 23, 2011

Screw guns have automatic reverse mechanisms.

screwdriver #4 image by Adam Borkowski from Fotolia.com

Building a tool chest is an essential need for any homeowner or maintenance professional. Choosing an electric screwdriver is a central component to your toolbox needs, and selecting the proper device requires careful consideration. Electric screwdrivers generate a substantial amount of turn and torque, thus allowing you to fasten and unfasten screws much quicker than by using a standard manual device. Electric screwdrivers are sold at any home supply store and online.

Difficulty: Moderately Easy

Instructions

1. Consider the shape of the screwdriver. Pistol-designed screwdrivers are beneficial for fastening and unfastening screws in hard-to-reach places or at odd slants. Rod-shaped devices are good options for standard usage, whether screwing at vertical or horizontal angles.
   
   
2. Examine the voltage. Most electric screwdrivers can plug in and/or operate via battery power. Power rises as voltage increases. A basic homeowner may require a 3V screwdriver, while an electrician or laborer may need 7V of power. Ensure that your screwdriver battery provides enough voltage to suit your needs.
   
   
3. Note speed settings. Some electric screwdrivers have manual settings, allowing you to increase or decrease the motor speed. If you are working with various types of screws, purchasing a screwdriver with a speed setting is a wise idea.
   
   
4. Observe additional components. Trigger locks are handy to ensure safety while the screwdriver is not in use. Torque knobs are also beneficial to adjust the grip of your drill bit. Minor amounts of torque are useful on simple jobs, while higher rates of torque are needed on many commercial jobs.
   
   
5. Examine the warranty. Purchasing any product with a warranty ensures you can return a broken product or have it repaired with little to no hassle. A one- or two-year warranty is recommended for a new electric screwdriver if you plan to use it on a regular basis.
 

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