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(More customer reviews)Out of necessity and because it has ample power, I had been planning to convert this drill to a 1/2" chuck for some time, but just recently got around to it.
Since the DW960 comes with a 3/8" capacity chuck, I assumed that it would be mounted on a 3/8" X 24 TPI spindle as most 3/8" drills are.
Before buying a 1/2" chuck with a reduced 3/8" X 24 TPI mount, I decided to remove the original chuck and check the spindle to be sure.
With the chuck removed, I found that the DW960 has a 1/2" X 20 TPI spindle, which is the standard spindle size for mounting a 1/2" chuck.
I wouldn't bother changing out the chuck on my older model DW966 14.4V right angle drill because it doesn't really have enough power to make it worth the expense, but I decided to check the spindle size on it anyway. It too has the 1/2" X 20 TPI spindle.
Dewalt most likely does this to give the short spindles more strength, not to allow for an upgrade to a 1/2" chuck. Nevertheless, I really need this drill to be a 1/2", so I purchased a Jacobs made Dewalt OEM style keyless chuck from McMaster and installed it on the drill. It fit perfectly, actually better than the original did, and for my work needs, the extra chuck capacity makes all the difference.
I would never attempt to use this right angle drill as hard as my straight 1/2" cordless drill, but when working in a tight space, it's great to finally be able to use the DW960 with my Greenlee hole saws larger than 7/8", which have 7/16" shanks. This was the main reason for wanting to ditch the standard 3/8" chuck.
I've used it with hole saws up to 3-1/2" in 1X and 2-1/2" in 2X material. This seems to be completely within the drills ability without producing any unusual motor strain or heating. Understandably, I'm sure Dewalt would not approve of this modification and if the motor or gear train does eventually end up as toast, I'm okay with the fact that it will be my fault, not Dewalt's.
With that being said, it now appears that I can finally stop waiting for Dewalt to produce an 18V cordless 1/2" right angle drill.
Click Here to see more reviews about: DEWALT DW966K-2 14.4-Volt NiCd 3/8 Inch Cordless Right Angle Drill/Driver Kit
Product Description:
The DeWalt DW966K-2 14.4-volt Ni-Cad 3/8-inch cordless right angle drill/driver kit features two speed ranges (0-to-400 and 0-to-1,250 RPM) for increased user flexibility on a wide range of applications. This drill/driver is capable of producing 210 unit-watts for heavy-duty applications such as turning large bits and fasteners. Other features include a multi-grip trigger for added comfort and convenience and variable speed with a reverse mode. With a durable, right angle sealed ball bearing transmission for longer tool life, this drill/driver weighs 4.4 pounds and comes with a one-hour charger, two 14.4-volt compact batteries, and a heavy-duty kit box.
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