Hitachi DH 25PB instruction manual Cotter Code No, Chuck wrench

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◯Drill Bit (Taper shank) and taper shank adaptor

(1) Drill Bit (Taper	(2) Taper Shank Adaptor
Shank)	(SDS-plus shank)

External dia.	Code No.
7/16"	944460
(11 mm)
31/64"	944461
(12.3 mm)
1/2"	993038
(12.7 mm)
9/16"	944462
(14.3 mm)
73/128"	944500
(14.5 mm)
11/16"	944463
(17.5 mm)
27/32"	944464
(21.5 mm)

Cotter (Code No. 944477)

Taper mode	Code No.	Applicable drill bit
			7/16" (11 mm)
		Drill bit	31/64" (12.3 mm)
Morse taper	303617		1/2" (12.7 mm)
		(Taper
			9/16" (14.3 mm)
(No. 1)
		shank)
			73/128" (14.5 mm)
			11/16" (17.5 mm)
Morse taper	303618	Drill bit	27/32" (21.5 mm)
		(Taper
(No. 2)
		shank)
A-taper	303619	Taper shank adaptor formed A-
		taper or B-taper is provided as
B-taper	303620	an optional accessory, but drill
		bit for it is not provided.

◯1/2" (13 mm) Hammer Drill chuck and Chuck wrench

For drilling operations when using a straight shank bit for impact driling with a rotary hammer

Impact Drill		1/2" (13 mm) Hammer Drill
		Chuck (SDS-plus shank)
Application
		(includes Chuck wrench)

Straight shank Bit 

Name	Code No.
1/2" (13 mm) Hammer Drill Chuck	303332
Chuck wrench	303334
Rubber Cap	303335

Chuck wrench

20