Hitachi DH 24PE (S) Technical Data And Service Manual page 24

Approx. 72 mm (2-27/32")
Drill bit
length: 166 mm
Dust cover
Retaining ring for D30 shaft
Approx. 16 mm
(5/8")
Drill bit
length: 110 mm
Seal cover
Washer
Fig. 12 Dust collector (B) structure
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Socket adapter (B)
Socket
Outer race
D6.35 steel ball
Grip
(on the main
body side)