New Impact Driver from Makita - BTD145 LXT 18v Li-Ion
Posted by Mark Hunter - November 23, 2011
Impact drivers are funny little power tools. They're not really impact wrenches and they're a bit more than drills because they also screw.
How they work is relatively simple, though. When you're screwing big screws - or even little screws - into tough work pieces, such as a piece of oak, the impact feature of the driver will sense when you need a bit more grunt and will "kick in" to get the job done.
Makita have expanded their range of impact drivers recently to include the BTD145 LXT 18v lithium-ion powered version. This is a fantastic, compact, feature-rich power tool and includes a maximum torque of 160Nm and a brush-less motor. The torque is available over 3 stages, each of which is selected via a button just above the battery pack. There's also a button to toggle the LED job light on or off.
The brush-less motor is interesting and Makita are making a big deal out of it.
Obviously, a maintenance-free motor is always a boon to the end-user, but Makita claim that this state-of-the-art motor will draw more power from the 18v lithium-ion battery while providing longer run times.
All the other features are there, including variable speed trigger, an electronic brake (as part of the redesigned and improved motor) and a M5-M14 quick release shank drive. The impact capabilities of the BTD145 are staggered over 3 stages, measured in "impacts per minutes", or IPM, as follows:
- High: 0 - 3400 IPM
- Medium: 0-2800 IPM
- Low: 0 - 1300 IPM
All in all a very appealing power tool.
But what do you think?
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