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.../min ............per minute
IPM .................impacts per minute
SPM ...............strokes per minute
SAVE THESE INSTRUCTIONS FOR FUTURE USE
Motor
Be sure your power supply agrees with the nameplate marking. Voltage decrease of more than
10% will cause loss of power and overheating. D
not operate, check power supply.
COMPONENTS (Fig. 1)
WARNING: Never modify the power tool or any part of it. Damage or personal injury could
result.
A. Paddle
B. Forward/reverse switch
Variable Speed Switch (Fig. 1)
To turn the tool on, squeeze the paddle (A) that runs the length of the tool, as shown in
Figure 1. To turn the tool off, release the paddle.
A variable speed paddle switch permits speed control—the farther the switch is depressed, the
higher the speed of the drill.
NOTE: Continuous use in variable speed range is not recommended. It may damage the switch
and should be avoided.
Forward/Reverse Switch (Fig. 1, 2)
Release paddle (A) and allow the tool to come to a complete stop. Slide the forward/reverse
switch (B) to the opposite position.
NOTE: Do not reverse direction of tool while the motor is running.
ADJUSTMENTS
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Chuck (Fig. 3, 4)
Open chuck jaws by aligning hole (E) in chuck (D) with an opening (F) in the chuck guard (C).
Insert the chuck key (G) through the opening and into the chuck. Insert shank of bit about 3/4"
(19 mm) into chuck. It's important to tighten chuck with all three holes (E). To release bit, turn
chuck key (G) counterclockwise in just one of the holes.
Chuck Key Holder (Fig. 4)
1. Push double-hole end of chuck key holder (H) through slot in other end of holder.
2. Slip loop over electric plug and draw loop tight around cord.
3. Push ends of chuck key handle through two holes in end of holder.
OPERATION
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Drilling (Fig. 5, 6, 7)
1. Use sharp drill bits only.
• For WOOD, use twist drill bits, spade bits, power auger bits, or hole saws.
• For METAL, use high speed steel twist drill bits or hole saws.
• For MASONRY, such as brick, cement, cinder block, etc., use carbide-tipped bits.
2. Be sure the material to be drilled is anchored or clamped firmly. If drilling thin material, use a
"back-up" block to prevent damage to the material.
3. Always apply pressure in a straight line with the bit. Use enough pressure to keep the drill
bit biting, but do not push hard enough to stall the motor or deflect the bit.
4. Hold tool firmly to control the twisting action of the drill.
5. IF DRILL STALLS, it is usually because it is being overloaded. RELEASE TRIGGER
IMMEDIATELY, remove drill bit from work, and determine cause of stalling. DO NOT CLICK
TRIGGER OFF AND ON IN AN ATTEMPT TO START A STALLED DRILL – THIS CAN
DAMAGE THE DRILL.
6. To minimize stalling on breaking through the material, reduce pressure on drill and ease the
bit through the last fractional part of the hole.
7. Keep the motor running when pulling the bit back out of a drilled hole. This will help prevent
jamming.
8. For optimum control and comfort, the drill may be grasped in one of the following illustrated
manners: Around the neck of the drill using one or two fingers to operate the paddle switch
as in Figure 5, in an inverted position with the heel of the hand pushing on the head of the
drill and one or two fingers on the paddle switch as in Figure 6, or holding the head of the
drill with one hand and operating the paddle switch with the other hand, holding the back
end of the drill as in Figure 7.
Drilling in Wood
Holes in wood can be made with the same twist drills used for metal. These bits may overheat
unless pulled out frequently to clear chips from the flutes. For larger holes, use spade bits, power
auger bits, or hole saws. Work that is likely to splinter should be backed up with a block of wood.
Drilling in Metal
Use a cutting lubricant when drilling metals. The exceptions are cast iron and brass which
should be drilled dry. The cutting lubricants that work best are sulphurized cutting oil or lard oil;
bacon grease will also serve the purpose.
Drilling in Masonry
Use carbide tipped masonry bits at low speeds. Keep even force on the drill but not so much
that you crack the brittle materials. A smooth, even flow of dust indicates the proper drilling
rate.
MAINTENANCE
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Cleaning
WARNING: Blow dirt and dust out of all air vents with clean, dry air at least once a week.
To minimize the risk of eye injury, always wear ANSI Z87.1 approved eye protection when
performing this.
WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic parts
of the tool. These chemicals may weaken the plastic materials used in these parts. Use a cloth
dampened only with water and mild soap. Never let any liquid get inside the tool; never immerse
any part of the tool into a liquid.
Accessories
WARNING: Since accessories, other than those offered by D
with this product, use of such accessories with this tool could be hazardous. To reduce the risk
of injury, only D
WALT recommended accessories should be used with this product.
E
Recommended accessories for use with your tool are available at extra cost from your local dealer
or authorized service center. If you need assistance in locating any accessory, please contact
D
WALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call 1-800-4-D
E
(1-800-433-9258) or visit our website: www.dewalt.com.
For safety in use, the following accessories should be used only in sizes up to the maximums
shown in the table below.
Chuck Size
Drill Speed (RPM)
BPM ...................beats per minute
RPM ...................revolutions per minute
sfpm ...................surface feet per minute
WALT tools are factory tested; if this tool does
E
C. Chuck guard
D. Chuck
WALT, have not been tested
E
SPECIFICATIONS
3/8" (9.5 mm)
1200
FIG. 1
C
D
FIG. 3
D
F
FIG. 5
A
MAXIMUM RECOMMENDED CAPACITIES
Twist bits in metal
Flat boring bits in wood
Carbide tipped bits in masonry
Hole saws in wood or metal
CAUTION: Accessories must be rated for at least the speed recom mended on the
tool warning label. Wheels and other accessories running over rated speed can fly apart
and cause injury. Accessory ratings must always be above tool speed as shown on tool
nameplate.
Wire wheel brushes
Wire cup brushes
Buffing wheels
Rubber backing pads
These bits are carbide-tipped for top performance and extra long life in most masonry drilling
applications.
BIT
DIAMETER
3/16" (3.8 mm)
1/4" (6.3 mm)
5/16" (3.1 mm)
3/8" (9.5 mm)
1/2" (12.7 mm)
9/16" (14.2 mm)
HIGH-SPEED HOLE SAWS (use with mandrels)
SAW OUTSIDE
DIAMETERS
5/8" (15.8 mm)
3/4" (19 mm)
7/8" (22.2 mm)
1-5/16" (33.3 mm)
1" (25.4 mm)
1-1/16" (26.9 mm)
1-1/8" (28.5 mm)
1-3/16" (30.1 mm)
Repairs
To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment (including
brush inspection and replacement) should be performed by a D
a D
WALT authorized service center or other qualified service personnel. Always use identical
E
replacement parts.
Register Online
Thank you for your purchase. Register your product now for:
• WARRANTY SERVICE: Registering your product will help you obtain more efficient
warranty service in case there is a problem with your product.
• CONFIRMATION OF OWNERSHIP: In case of an insurance loss, such as fire, flood or
theft, your registration of ownership will serve as your proof of purchase.
• FOR YOUR SAFETY: Registering your product will allow us to contact you in the unlikely
event a safety notification is required under the Federal Consumer Safety Act.
WALT
E
Register online at www.dewalt.com/register.
Three Year Limited Warranty
D
WALT will repair, without charge, any defects due to faulty materials or workmanship for
E
three years from the date of purchase. This warranty does not cover part failure due to normal
wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit
www.dewalt.com or call 1-800-4-D
accessories or damage caused where repairs have been made or attempted by others. This
warranty gives you specific legal rights and you may have other rights which vary in certain
states or provinces.
B
FIG. 2
A
FIG. 4
E
H
C
G
FIG. 6
3/8" (9.5 mm)
1-1/4" (31.7 mm)
9/16" (14.2 mm)
1-1/4" (31.7 mm)
4" (101.6 mm) diameter maximum
3" (76.2 mm) diameter maximum
3" (76.2 mm) diameter maximum
4-5/8" (117.4 mm) diameter maximum
ROUND-SHANK MASONRY BITS
USABLE
DRILLING DEPTH
1-1/2" (38.1 mm)
2" (50.8 mm)
2-1/4" (57.1 mm)
2-1/2" (63.5 mm)
2-1/2" (63.5 mm)
4-1/4" (107.9 mm)
FOR CONDUIT
SIZES
Built in mandrel
no separate mandrel
3/8" (9.5 mm)
1/2" (12.7 mm)
3/4" (19 mm)
WALT factory service center,
E
WALT (1-800-433-9258). This warranty does not apply to
E
B
FIG. 7
SHANK
DIAMETER
3/16" (3.8 mm)
1/4" (6.3 mm)
1/4" (6.3 mm)
1/4" (6.3 mm)
1/4" (6.3 mm)
1/4" (6.3 mm)
FOR PIPE TAP
SIZES
3/4" (19 mm)
1" (25.4 mm)
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