Hitachi DH 24PB2 Technical Data And Service Manual page 23

Approx. 72 mm (2-27/32")
Approx. 16 mm (5/8")
Drill bit
length = 166 mm
Dust cover
Retaining ring for D30 shaft
Drill bit
length = 110 mm
Seal cover
Washer
Fig. 7 Dust collector (B) structure
Socket
Outer race
Steel Ball D6.35
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Grip
(on the main
body side)
Socket adapter (B)