Model t10446 heavy-duty hammer drill-4-
section 2: introduction
We are pro ud to offer this manual with
your new hammer drill! We've made every
effort to be exact with the instruction s,
specifications, drawings, and photographs
of the tool we used when wri ting this man-
ual. however, sometimes we still make an
occasional mistake.
also, owing to our policy of continuous
improvement, you r hammer drill may not
exactly match the manual. if you find this
to be the case, and the difference between
the manual and the tool leaves you in
doubt, check our website for the latest
manual update or call technical suppor t
for help.
For your convenience, we post all avail-
able manuals and manual updates for
free on our web site at w ww.grizzly.com.
any updates to your mo del of to ol will be
reflected in these documents a s soon as
they are complete.

foreword

power requirements ..........................................................................110V, 60 hz, 15 amps
tool Wattage ..........................................................................................................720 Watts
extension Cord requirements .......................................Minimum 14 aWg, Maximum 50 ft.
no-Load rotational speed ......................................................................................700 rpM
impact Frequency ..................................................................................................3600 BpM
Maximum Bit diameter ........................................................................................................1"
Chuck type .....................................................................................................................sds
rotation ......................................................................................Clockwise (non-reversible)
applications .....................................drilling Concrete, stone, and other Masonry Materials

specifications

contact info

We stand behind our tools. if you have any
service questi ons, parts requests or gen-
eral questions about the tool, please call or
write us at the location listed below.
grizzly industrial, inc.
1203 Lycoming Mall Circle
Muncy, pa 17756
phone: (570) 546-9663
e-Mail: techsupport@grizzly.com
We want your feedback on this manual.
if you can take the ti me, please email or
write to us at the address be low and tell
us how we did:
grizzly industrial, inc.
C/o technical documentation Ma nager
p.o. Box 2069
Bellingham, Wa 98227-2069
email: manuals@grizzly.com
When using a port able generator t o power the hamm er drill, make sur e that the
running wattage of th e generator is at least 1400 watts or hi gher to cover the
surge requirements of the tool.