DEWALT DW999K 2-7/8-Inch 18-Volt Cordless SDS Rotary Hammer Kit | 
 enlarge | Brand: DeWalt
Category: Home Improvement
List Price: $743.82
Buy New: $419.95
You Save: $323.87 (44%)
Avg. Customer Rating:  1 reviews
Sales Rank: 56373
Media: Tools & Hardware
Shipping Weight (lbs): 14.1
Dimensions (in): 24.4 x 10.9 x 4.9
MPN: DW999K-2
Model: DW999K-2
UPC: 028877337968
EAN: 0028877337968
ASIN: B00005JRIT
Availability: Usually ships in 2-3 business days
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| Features:
| • | Electro-pneumatic hammer mechanism delivers 1.5 ft./lbs. of impact energy | | • | Optimum usage renage from 5/32-to3/8-inch | | • | Dual mode (rotation only, rotary hammer) | | • | Includes hammer, side handle, depth rod, 2 XR+ batteries, charger and kit box; part of DEWALT 18-volt battery system | | • | 1-year warranty |
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| Editorial Reviews:
Product Description
18V, 7/8" 24MM, Heavy Duty SDS Rotary Hammer With Kit Box, Variable Speed, Reversing Switch Delivers Versatility In All Applications, Factory Set Clutch Reduces Sudden, High Torque Reactions If Bit Jams, Electro Pneumatic Hammer Mechanism For Fast Penetration & Low Vibration, 360 Degree Side Handle For Better Control & Ease Of Use In Tight Spaces, Includes: 1 Hour Charger, Two 18V XR+ Pack Batteries, 360 Degree Side Handle, Depth Rod, Heavy Duty Kit Box.
Amazon.com Review
When the job calls for performance but onsite power access is uncertain or limited, the 8-pound DeWalt DW999K-2 7/8-inch, 18-volt cordless SDS rotary hammer kit comes through big in the clutch. Part of DeWalt's 18-volt XR battery system, this rotary hammer features two modes--rotation only (for wood and metal drilling) and rotary hammer (for tougher surfaces such as concrete). Switching between modes is easy, as is overall operation. The rotary hammer works well in wood, metal, masonry, plastics, and ceramics. A reversible, variable-speed trigger delivers up to 4,900 bpm at an impact of 1.5 feet/pounds and spins the bit at up to 1,100 rpm. A 360-degree rotating side handle provides added stability and power, for times when you need to lean into a job. An onboard depth rod makes setting and finding a desired depth quick and accurate, and a trigger brake provides added safety. --Carl Thress
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| Customer Reviews:
DW999K-2 July 25, 2001
24 out of 24 found this review helpful
It's great to finally have an 18-volt version available from DeWalt. Now I don't have to drag a 50' extension cord behind me every time I need to install Tapcon fasteners or lag shields to mount enclosures or conduit straps. I had considered the DeWalt DW004 24-volt hammer but didn't care for the extra bulk or the idea of having to change to another battery system, primarily because I already have and use a collection of other DeWalt 18-volt tools. The DW999 is fast and does hit surprisingly hard, even harder than the Bosch 24-volt, which I do not own but have had the opportunity to use frequently in the past. It does feel slightly nose heavy and unbalanced, with or without the battery installed, compared to the older corded Bosch 11212VSR (predecessor of the Bosch 11224VSR) that I'm used to. This means you need to apply a little more forearm when using a Condrive tool for fastening or when reaching out to drill one- handed from a ladder or platform. Speaking for myself, in this type of work situation, the D-handle as this tool has, is the only way to go. The rotation-only feature does add versatility and comes in handy for using an SDS to straight (geared) chuck adapter to drill wood or light metal, but a stop-rotation impact only feature would also have been nice to allow for light use of a scaling chisel to smooth out seams and remove slag on poured concrete walls for mounting electrical boxes or conduits. Because it is reversible though, my primary field-use for this tool is for installing 3/16" and " Tapcon fasteners, " to 3/8" conical masonry anchors and 3/8" to " lag shields with a maximum hole size of 5/8". Battery life for this type of work has been better than expected but it's still a good thing that the kit includes two XR packs because you will definitely need them both for any type of extended use. If you need to use it on the go a lot, the vehicle charger may also be a good investment. The plastic storage case interior is a little small and doesn't have much room to store bits, attachments or boxes of fasteners, so you'll need to allocate more storage space in your already overcrowded service vehicle for these items. Overall, I am pleased with the tools performance and even with the high price, which I feel is a lot for an SDS hammer with a 7/8" capacity rating, it has proven itself to be an asset, as most cordless tools are, through time saved and convenience. I would recommend it for individuals who routinely install light to medium duty small diameter fasteners and need to do this type of work in job site areas where power is either difficult to obtain or unavailable.Two more unrelated productivity tools I would like to see DeWalt make available for my service truck are an 18-volt " heavy duty right-angle (RAD) drill similar to Milwaukee's 3109-21 and a 18-volt fluorescent area work light similar to Bosch's 3450K.
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