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T ECHINICAL INFORMATION PRODUCT
P 1 / 16
Models No. HR4500C
Description Rotary Hammer 45mm (1-3/4")
L
CONCEPTION AND MAIN APPLICATIONS
For matured line-up of SDS-Max Rotary Hammers, Model HR4500C
has been developed as a sister model to HR4000C(40mm;1-3/4") and
HR5001C(50mm;2") which are already popular to users around the H
world.
Performing excellent drilling in concrete within the diameter range
from 25mm(1") to 45mm(1-3/4"), it also has the same features and
benefits as HR4000C and HR5001C.
See next page for detailed information. W

Specifications
Continuous Rating (W) Dimensions : mm ( " )
Voltage (V) Current (A) Cycle (Hz) Max. Output(W)
Input Output Length (L) 488mm (19-1/4")
100 15 50/60 1,300 600 1,500 Width (W) 118mm (4-5/8")
110 13 50/60 1,300 600 1,500 Height (H) 278mm (11")
120 13 50/60 1,250 600 1,500
220 6.6 50/60 1,300 600 1,500
230 6.6 50/60 1,300 600 1,500
240 6.8 50/60 1,300 600 1,500

Rotations per minute : rpm=min-1 120 - 240
No load speed
Blows per minute : bpm=min-1 1,250 - 2,550
Bit type SDS-Max shank bit
Diameter of shank : mm (") 18 (11/16")
Tungusten-carbide
Drilling capacities tipped bit 45 (1-3/4")
: mm (") Core bit 125 (4-7/8")
Net weight : Kg (lbs) 7.8 (17.2)
Standard spec. : 5 (16.4)
Cord length : m (ft) European spec. : 4 (13.1)

STANDARD EQUIPMENT
Depth Gauge ----------------------- 1pc.
Grease Vessel (Bit Grease) ------- 1pc.
Plastic Carrying Case ------------- 1pc.
Side Handle Assembly
(D-shaped side handle) ----------- 1pc.
Grip 36 Assembly
(Bar style side handle) ------------ 1pc.
The standard equipment for the machine may differ from country to country.

OPTIONAL ACCESSORIES
Hammer Grease (30cc), Blow-out Bulb, Dust Cup 5, Dust Cup 9, Bull Point, Cold Chisel, Scaling Chisel,
Clay Spade, Bushing Tool, Rammer, Safety Goggles, Core Bit Adapter,
Core Bits; Hole diameter : 20mm(13/16"), 30mm(1-3/16"), 35mm(1-3/8"), 40mm(1-9/16"), 45mm(1-3/4"),
54mm(2-1/8"), 65mm(2-9/16"), 79mm(3-1/8"), 105mm(4-1/8"), 118mm(4-5/8")
Tungusten-carbide Tipped Bits; Bit diameter : 10mm(3/8"), 10.5mm(7/16"), 11mm(7/16"), 12mm(15/32"),
12.5mm(1/2"), 12.7mm(1/2"), 13.5mm(1/2"), 14.3mm(9/16"),
14.5mm(9/16"), 16mm(5/8"), 17mm(11/16"), 17.5mm(11/16"),
18mm(11/16"), 19mm(3/4"), 20mm(13/16"), 21.5mm(7/8"),
22mm(7/8"). 24mm(15/16"), 25mm(1"), 25.4mm(1"), 26mm(1"),
28mm(1-1/8"), 30mm(1-3/16"), 32mm(1-1/4"), 35mm(1-3/8"),
38mm(1-1/2")
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Features and benefits
The Outstanding Chipping Power in This Class
See next page for the excellent results of various chipping/drilling tests.
Body Wholly Covered No electric shock to operator, even if bit accidentally hits against laid electric cables.
Barrel is also covered with resin, and so, it is possible to do chipping operations while
with Resin holding barrel with your hand.
Zig-Zag Varnish on Armature Coil Protects Armature against dust, and disperses heat effectively.

2 3 4 5 6 7

1 8

15 9
14
10

13 12 11
1 Accepts SDS-Max Shank Bits
2 Bit can be Installed or Removed by Simply Sliding Chuck Cover.
3 No Hammering While Idling
Air in the cylinder is not compressed unless tool is pressed against ground.
This function ensures machine's long life.
4 Bar Handle Plus D-Shape Handle As Standard Accessories
5 Large Change Lever
Easy to change action mode to "hammering only" or "Rotation with hammering".
6 Easy-to-Operate Large Trigger
Fingers are free from fatigue even in along continuous operation.
7 Large Rear Handle
Can be gripped with both hands. - convenient for downward chipping operations.
8 Accessible to Switch or Power Supply Cord Just by Removing Two Screws of Handle Cover
9 Service Reminder Lamps
Light up in green when the machine is switched on, and if any trouble, tell you its cause;
Light up, but the machine does not start.
Cause : wear of carbon brushes or trouble(s) in electric circuit or motor
Does not light up, and the machine does not start.
Cause : disconnection in mains switch or power supply cord
Light up in red nearly 8 hours before carbon brushes need servicing.
10 Electronic Speed Control Dial
Optimum hammering speed can be selected for a wide range of applications. Setting to low speed, ideal for such
a light chipping works as scraping tiles, removing bricks joint.

11 Large and Tough Cord Guard
Also excellent in flexibility to protect cable from disconnection

12 Auto Shut-off Carbon Brushes
Protect commutator and tell the time for replacement.
13 Torque Limiter Actuated by Ball-Clutch
Assures steady torque control even after a long time operation.
14 Chisel can be Locked at 12 Positions Through 360 .
By turning change ring while pushing it forward, the chisel angle can be adjusted without taking out the inserted chisel.
15 Further Improvement in Dust Proof Structure
P 3 / 16
Comparison chart
The four graphs drawn below show the results of our chipping or drilling tests under the following conditions;
material : concrete whose compressive strength is 350 kgf/cm2
in horizontal application
The results are shown in relative values when setting Model A-a of competitor A's data as 100.
Chipping amount
Little 50 100 150 Much 200

HR4500C 115

A-1 105

A-a 100
B 95

HR5001C 120

HR3850 85
HR4000C 90

Drilling speed
1.