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I must tell you that I really enjoy reviewing tools and writing
reviews though when it gets to putting pen to paper some of the more complex items
end up being less enjoyable and more of a chore. When I received these two drills
for evaluation I thought to myself, "ahh, something simple to look at".
Well I was wrong! These drills have alot to evaluate and report on and judging from
the amount of pictures I took, this review is going to take some work.
As with all my reviews I'll try to describe in detail all aspects of these tools
with my goal to to provide you with enough information that you can make up your
own mind as if you were standing in a tool store looking it over in person. Feel
free to double click on any picture to bring up a larger version for more clarity.
The drills were provided by Festool USA
for evaluation.
What's in the box...umm Systainer:
The
drills are delivered right in their Systainer. The Systainer is then packaged in
a shipping box. If this is your first Festool purchase, the Systainer is part of
Festools modular tool storage system, it is not a cheap plastic case like you get
with most other tools. The Systainers have multi-position latches so that the box
can be used alone or latched together with others. They can also be latched onto
some of Festools vacuum systems and slid into the Systainer-Port
to make a roll around cabinet.
Inside
the box (photo at right of TDK 15.6) You'll find the drill, CENTROTEC chuck, FastFix
keyless chuck, two NiCd batteries, 45 minute charger and assorted bits. If you look
on the charger at right I've laid the three included bits on top. You'll receive
a bit adapter to allow you to utilize regular bits in the CENTROTEC chuck, a Phillips
bit, a torx bit and a 3mm drill bit (.1285"). If you order the TDK-12 set you
will also receive FastFix right angle and eccentric chucks.
Before we move on I thought it noteworthy to show you
the included documentation.The drills include complete parts breakdowns for everything...including
the chucks.
The Specs:
Specs |
TDK 15.6 CE |
TDK 12 CE |
Battery Voltage |
15.6 |
12 |
No Load Speed |
0-450 (low gear) |
0-430 (low gear) |
0-1500 (high gear) |
0-1400 (high gear) | |
Chuck Size |
1/2" |
1/2" |
Max drill dia. in steel |
5/8" |
9/16" |
Max drill dia. in wood |
1 3/8" |
1" |
Torque setting range |
4.5-62 in. lbs. |
4.5-62 in. lbs. |
Max torque in steel |
320 in. lbs. |
250 in. lbs. |
Max torque in wood |
220 in. lbs. |
175 in. lbs. |
Weight with battery |
5 lbs. |
4.4 lbs. |
The Drills
Being
familiar with Festool products, the first thing I thought when I grabbed one of
the drills was, "Where the heck you hook up the vacuum?". Of course the
TDK drills are one of the few Festool products which dosen't connect to their dustless
vacuum system :) As you can see there really isn't much difference in size between
the two drills. I emailed Festool and asked them why they picked 15.6v (on left
in photo) as the size for the larger drill and their answer was simply that the
batteries fit in the same form factor as the 12v. That makes sense since I think
for most woodworkers we tend to like the smaller drills and these are marketed as
compact.
The drills weigh 5 lbs and 4.4 lbs for the 15.6v and 12v respectively and I find
that they feel a bit heavy for compact drills. This is undoubtedly due to their
metal gears etc. I did search the net and at most the 12v is about .4 lbs heavier
than the leading brands but I'm used to my 9.6v Bosch and it seems much lighter.
As
you can see there isn't much difference in size between the two drills. The 15.6v
TDK (left at bottom) being slightly longer overall and the 15v battery bulging just
a bit (right at top).
Well,
just how big are they? My everyday drill is a Bosch 9.6v Compact Tough which until
I received these Festools I thought was fairly small. You can see that the angle
of attack for the driver is just slightly more than 90° and that the TDK's overall
height and length is smaller.
These
drills can fit in some pretty tight spaces. The 15.6v TDK with just a Phillips bit
inserted into the motor (oh, you didn't know about that?) measures 7.5" (top
right) and utilizing the CENTROTEC chuck with bit adapter it measures just 9.5".
Now is as
good a time as any to talk about the chucks. There are actually 5 different chucking
options with the TDK. The chucks are all quick connect style with the Fast Fix and
CENTROTEC (left top and bottom) having a collar that you slide and can be installed/removes
with one hand. The eccentric and right angle have variable positions at which they
can be set so they attach via a bayonet style connection and require both hands
to install. The fifth option is no chuck at all.
At
left you can see the bayonet style connection of the eccentric chuck. The gear like
protuberances allow the chuck to be positively locked in any position in 22.5°
increments. The FastFix and CENTROTEC chucks at right simply pop on and off. Before
I get into the fancier chucks, the standard FastFix keyless chuck is a one-handed
chuck and works very well. If you have a couple of them chucked up with something
that doesn't come in a quick disconnect style, you can use the chucks as your quick
disconnect...they go on and off that easy.
No,
that's not a jet turbine at left. You're looking at the business end of the TDK
with the chuck removed. One of the outstanding features of this drill design is
that the bits attach directly into the motor shaft when using the CENTROTEC chuck.
In the setup at right a phillips bit is inserted directly into the motor shaft.
Also note the two tabs on the the motor housing which are the male ends of the bayonet
connections.
CENTROTEC: I borrowed
the drawing at left from the Festool site but unfortunately it is as large as its
going to get. If you can see it on your monitor what it depicts is a CENTROTEC bit
inserted in the chuck. The bit's hex shank inserts directly into the motor shaft
that you saw above. The chuck itself slips over that motor shaft and contacts the
bit. You can click on the photo at right to enlarge it for a better view of how
the chuck works. Because of this design, the CENTROTEC ensures the truest, concentric
drilling of any chuck I've seen.
The right angle chuck works
great for those hard to reach screws inside a cabinet. You can either insert a bit
directly into it ala the drill motor or you can slip on the CENTROTEC chuck and
gain the added versatility it has to offer. The Right Angle chuck, like the end
of the motor shaft has no way of retaining the bit unless you add the CENTROTEC
or FastFix. If you want to use bits directly in the end of the motor shaft or right
angle chuck you need to buy the ones with some sort of built in retainer...ball
bearing or ring clip.
The eccentric chuck (my favorite) allows you to get right up to a wall or cabinet
side and drill a hole. It is equipped with a bit retainer which uses ball bearings.
Just about any bit with a detent will lock in place. The eccentric chuck, like the
right angle chuck, can lock itself in 22.5° increments.
If you have a high speed
internet connection you can click here for a short movie clip demonstrating the
different chucks. (5mb)
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