Hitachi Koki USA cordless hammer instruction manual Drilling anchor holes Rotation + Striking

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2. Drilling anchor holes (Rotation + Striking)

◯Drill Bit (Taper shank) and taper shank adaptor

(1) Drill Bit (Taper	(2) Taper Shank Adaptor
Shank)	(SDS-plus shank)
	Cotter (Code No. 944477)

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)

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)
A-taper	303619	Taper shank adaptor formed A-
		taper or B-taper is provided as an
B-taper	303620	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

Rubber cap

Impact Drill	
	

Application
Straight shank Bit	

1/2" (13 mm) Hammer Drill Chuck (SDS-plus shank) (includes Chuck wrench)

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

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