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HIKOKI DH-40MEY Rotary Hammers
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Description
Lightweight and Outstanding Drilling and Demolishing performance
Its lightweight design (0.7 kg lighter than the current model*1) allows for increased maneuverability and less user fatigue.
The high-efficiency brushless motor delivers speedy drilling and the highest demolishing performance in its classs*2.
- Compared with HiKOKI DH40MEY.
- As of July 1, 2023, among 40mm class corded rotary hammers made by leading power tool manufacturers. (Survey by Koki Holdings)
New Low Vibration Mechanism and Low Vibration Handle
-
13% lower vibration than the current model*
The new dynamic vibration absorber and low vibration handle significantly reduce vibrations for less user fatigue and improved operability.
- Compared with HiKOKI DH40MEY.
Convenient Continuous Operation Function(only available for Hammering mode)
-
Continuous operation button keeps the tool operating even after the trigger switch is released, for less fatigue when chiseling for extended periods.
Continuous operation button
-
Reactive Force ControlAgainst Sudden Overburdening
When the tool bit is suddenly overburdened during operation, the slip clutch works or the built-in controller stops the motor output before the entire tool jerks.
CautionDepending on the operating conditions, the Reactive Force Control function may not work or provide the specified performance. Please make sure that the workpiece is placed and supported properly, and that the main unit is held firmly during operation.
4-Step Push Button Rotation Speed Selection
-
Four power levels of impact and rotation speed to match versatile applications and improve productivity.
| Display Lamp |  |
 |
 |
 |
|---|---|---|---|---|
| No Load Rotation Speed | 250/min | 340/min | 420/min | 500/min |
| Full Load Impact Rate | 1,400/min | 1,900/min | 2,350/min | 2,800/min |
Specifications
| Capacity | Drill Bit | 40mm |
|---|---|---|
| Core Bit | 105mm | |
| Bit Shank | SDS-max | |
| No Load Rotation Speed | 250 - 500/min | |
| Full Load Impact Rate | 1,400 - 2,800/min | |
| Type of Motor | Brushless motor | |
| Power Input | 1,150W | |
| Impact Energy*1 | 9.2J | |
| Dimensions (L x H x W) | 471 x 252 x 107mm | |
| Weight*2,3 | 6.8kg | |
| Vibration Total Values (triax vector sum) *4 |
Hammer Drilling into Concrete | Vibration emission value ah, HD = 10.9m/s2 |
| Uncertainty K = 1.5m/s2 | ||
| Equivalent Chiselling Value | Vibration emission value ah, CHeq = 10.6m/s2 | |
| Uncertainty K = 1.5m/s2 | ||
| Standard accessories*5 | Side Handle, Grease, Carrying Case | |
- Impact energy according to EPTA-Procedure.
- Weight includes the side handle and excludes the cord.
- According to EPTA-Procedure 01/2014.
- The vibration total values were determined according to EN62841
- Standard accessories vary by country or area.
Additional Information
Length
10 cm
Width
10 cm
Height
5 cm
Weight
0.2 kg
Specifications
Technical Specifications
Impact Energy
8.7 J
Power Input
1150 W
Lightweight and Outstanding Drilling and Demolishing performance
Its lightweight design (0.7 kg lighter than the current model*1) allows for increased maneuverability and less user fatigue.
The high-efficiency brushless motor delivers speedy drilling and the highest demolishing performance in its classs*2.
- Compared with HiKOKI DH40MEY.
- As of July 1, 2023, among 40mm class corded rotary hammers made by leading power tool manufacturers. (Survey by Koki Holdings)
New Low Vibration Mechanism and Low Vibration Handle
-
13% lower vibration than the current model*
The new dynamic vibration absorber and low vibration handle significantly reduce vibrations for less user fatigue and improved operability.
- Compared with HiKOKI DH40MEY.
Convenient Continuous Operation Function(only available for Hammering mode)
-
Continuous operation button keeps the tool operating even after the trigger switch is released, for less fatigue when chiseling for extended periods.
Continuous operation button
-
Reactive Force ControlAgainst Sudden Overburdening
When the tool bit is suddenly overburdened during operation, the slip clutch works or the built-in controller stops the motor output before the entire tool jerks.
CautionDepending on the operating conditions, the Reactive Force Control function may not work or provide the specified performance. Please make sure that the workpiece is placed and supported properly, and that the main unit is held firmly during operation.
4-Step Push Button Rotation Speed Selection
-
Four power levels of impact and rotation speed to match versatile applications and improve productivity.
| Display Lamp | |
|
|
|
|---|---|---|---|---|
| No Load Rotation Speed | 250/min | 340/min | 420/min | 500/min |
| Full Load Impact Rate | 1,400/min | 1,900/min | 2,350/min | 2,800/min |
Specifications
| Capacity | Drill Bit | 40mm |
|---|---|---|
| Core Bit | 105mm | |
| Bit Shank | SDS-max | |
| No Load Rotation Speed | 250 - 500/min | |
| Full Load Impact Rate | 1,400 - 2,800/min | |
| Type of Motor | Brushless motor | |
| Power Input | 1,150W | |
| Impact Energy*1 | 9.2J | |
| Dimensions (L x H x W) | 471 x 252 x 107mm | |
| Weight*2,3 | 6.8kg | |
| Vibration Total Values (triax vector sum) *4 |
Hammer Drilling into Concrete | Vibration emission value ah, HD = 10.9m/s2 |
| Uncertainty K = 1.5m/s2 | ||
| Equivalent Chiselling Value | Vibration emission value ah, CHeq = 10.6m/s2 | |
| Uncertainty K = 1.5m/s2 | ||
| Standard accessories*5 | Side Handle, Grease, Carrying Case | |
- Impact energy according to EPTA-Procedure.
- Weight includes the side handle and excludes the cord.
- According to EPTA-Procedure 01/2014.
- The vibration total values were determined according to EN62841
- Standard accessories vary by country or area.
