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4. Extension bar:
The extension bar is convenient for working in very
restricted spaces or when the socket provided cannot
reach the bolt to be tightened.
CAUTION
When the extension bar is used, the tightening
torque is reduced slightly compared with the
ordinary socket.
s
B
5. Universal joint:
The universal joint is convenient for impacting nuts
when there is an angle between the socket and
wrench, or when working in a very narrow space.
B
S
6. Duct socket:
This is used for tightening bolts and nuts on flange
sections of air conditioners, type ducts, etc.
S
7 Bit adaptor:
This is used for tightening small screws (M6).
NOTE:
This adaptor is set only on the anvil (drive angle) of
the main unit.
S
NOTE:
Specifications are subject to change without any
obligaiton on the part of the HITACHI.
Code No. Dimention B, S
873633 1/2" (12.7 mm)
Code No. Dimention B, S
992610 1/2" (12.7 mm)
Code No.
Hexagonal width
Dimention S
across flats
993658 15/32" (12 mm)
1/2"
992613 1/2" (13 mm)
(12.7 mm)
992615 9/16" (14 mm)
Code No. Dimention S
991476 1/2" (12.7 mm)
01Eng_WH18DSDL_US.p65 10/2/12, 2:38 PM22