Hitachi DH 28PC, Technical Data And Service Manual

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1. Comparison of Specifications
(Superior specifications: )
Maker HITACHI
Model name DH 28PC
C B
Concrete 28 (1-1/8”) 28 (1-1/8”) 28 (1-1/8”)
Steel 13 (1/2”) 13 (1/2”) 13 (1/2”)
Drill bit dia.
Wood
mm
32 (1-1/4”) 32 (1-1/4”) 32 (1-1/4”)
Capacity
Core bit dia. mm 80 (3-5/32”) 80 (3-5/32”) 80 (3-5/32”)
Power input W 720 800 720
Full-load rotation rate min
-1
0 – 800 0 - 1,100 (No-load) 0 - 800
Full-load impact rate min
-1
0 - 4,000 0 - 4,500 (No-load) 0 - 4,000
Impact energy J 3.5 2.9 3.3
No-load noise level
(measured)
dB(A) 85.4 86.3 87.2
Full-load noise level
(measured)
dB(A) 87.9 88.8 86.2
Full-load vibration level
(Tri-axial, measured)
m/s
2
20.7 20.1 27.4
Length 316 (12-7/16”) 320 (12-5/8”) 332 (13-1/16”)
Height 208 (8-3/16”) 225 (8-55/64”) 208 (8-3/16”) Tool size
Width
mm
102 (4”) 89 (3-1/2”) 93 (3-21/32”)
Weight * kg (lbs.) 3.5 (7.7) 3.2 (7.0) 3.3 (7.3)
Mode - 3 3 2
Mounting the drill bit - One push One push One push
Reversing switch - Equipped Equipped None
* Weight does not include the cord and side handle.
COMPARISON WITH SIMILAR PRODUCTS