Product Name; Marketing Objective; Applications - Hitachi WH 8DH Technical Data And Service Manual

Cordless impact driver/cordless impact wrench
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1. PRODUCT NAME

Hitachi Cordless Impact Driver, Model WH 8DH
Hitachi Cordless Impact Wrench, Model WR 8DH

2. MARKETING OBJECTIVE

The current Hitachi cordless impact driver series has provided excellent on-the-job performance thanks to their
design that produces no recoil force in tightening screws and bolts and also no damage to the screw heads.
The current DC 12V cordless impact driver Model WH 12DH and the cordless impact wrench Model WR 12DH
are well-reputed because they have better tightening performance and longer service life than previous models,
thanks to a replaceable carbon brush motor. Now, the new cordless impact driver Model WH 8DH is brought out
to respond to users' requests for a replaceable carbon brush motor for a DC 9.6 V product. The new cordless
impact wrench Model WR 8DH is also brought out. The Model WR 8DH has higher tightening torque than the
previous Model WH 8D2 and its square drive dimension is 12.7 mm (1/2") for use of commercially-available 1/2"
sockets. The construction of the Model WR 8DH is the same as that of the Model WH 8DH except the anvil (K)
assembly and the hammer case.

3. APPLICATIONS

Tightening/loosening of small screws, tapping screws, wood screws, bolts, nuts, etc.
Drilling into wood and various other materials (with use of optional accessory drill chuck adapter).
[Applicable Markets]
Wood-product assembly: Tightening/loosening of wood screws, lag bolts, etc.
Construction industry: Assembly of scaffolding, roofing, aluminum sashes, fencing, etc.; removal of plastic cones
from concrete forms, mounting/removal of form ties; drilling into the wood frames of concrete forms, etc.
Manufacturing industry: Assembly work for automobiles, rolling stock, shipbuilding, agricultural machinery and
tools, industrial machines, steel furniture, etc.
Utility industry: Assembly and installation of electric equipment, plumbing facilities, air conditioning (duct
assembly, etc.), sanitary fixtures and various other facilities.
Service industry: General repair work; installation of advertising signs, automobile repair, assembly of garages
and carports storage sheds, etc.
Various other assembly, construction or repair facilities.
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Wr 8dh

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