Host David Thiel explains why you'll want to have an impact driver in your shop. It won't replace a drill, but it has some great features that would be put to good use.
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An impact driver is the high-tech offspring of the standard cordless drill. Its primary function is to drive fasteners quickly and with a lot of torque. Some of the advantages of an impact driver are that they generally are smaller and work faster than a standard cordless drill. Also, because the tool does the majority of the work, it takes less energy from the user.
How it works:
An impact driver has a collar around the trip hammer. The collar slides back and forth, hitting the hammer causing the chuck to turn.
This tool is a complimentary tool to your drill driver. It can be used in situations when using a standard drill can be too much work, such as working over your head or driving fasteners into dense materials.
Figure A
A right angle impact hammer allows you to work in tight spaces, such as inside a concrete block (figure A).
Craftsman EX 14.4V Impact Driver
Makita
14930 Northam St.
La Mirada, CA 90638-5753
Toll-free: 800-462-5482
Fax: 714-522-8133
Website: www.makitatools.com