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Bosch Professional GBH 18V-21

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Product details

Cordless Rotary Hammer with SDS plus GBH 18V-21. The GBH 18V-21 Professional cordless rotary hammer delivers a striking energy of 2.0 Joules and features a brushless motor for sustained power. The highly efficient brushless motor requires less maintenance and offers better runtime per battery charge, resulting in reduced downtime and improved tool longevity. This tool provides three modes of operation for hammer drilling, drilling, and chiseling, ensuring high versatility. It offers consistent power for drilling numerous holes and 20% more battery runtime compared to the previous model. Fully compatible with the GDE 16 Plus dust extraction system. The GBH 18V-21 Professional includes features such as LED light, overload clutch, variable speed, and Vario Lock. A depth stop and machine cloth are also included.

Key specifications

Drilling machine + percussion drilling machine Type
Hammer drill
Tool holder
SDS-plus
Power supply
Rechargeable battery operated
Battery voltage
18 V
Weight
2.40 kg

General information

Item number
21025472
Manufacturer
Bosch Professional
Category
Drills + Cordless screwdriver
Manufacturer no.
0611911100
Release date
31.5.2022

Colour

Colour
Blue
Exact colour description
Blue

Drilling machine + percussion drill features

Drilling machine + percussion drilling machine Type
Hammer drill
Use
Drilling
Tool holder
SDS-plus
Additional functions
Brushless electric motorCharge level indicatorRight / left rotation

Drilling performance

Max. screw diameter
30 mm
Max. drilling diameter in wood
30 mm
Max. drilling diameter in steel
13 mm
Max. drilling diameter in masonry
10 mm
Max. drilling diameter in concrete
21 mm

Energy supply

Power supply
Rechargeable battery operated

Battery / accumulator features

Battery type
Li-ion
Battery voltage
18 V
Number of batteries
0x
Battery equipment
No batteries supplied
Charger equipment
No charger supplied

Power

Number of gears
2x
Max. Idle speed
5100 rpm
Max. Number of strokes
5100 rpm
Impact energy
2 J
Sound power level (LWA)
101 dB

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Product dimensions

Length
32.50 cm
Width
10.10 cm
Height
22 cm
Weight
2.40 kg

Legal Notice

Product Safety

Package dimensions

Length
40 cm
Width
25 cm
Height
10 cm
Weight
3.07 kg

Legal concerns

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Drills + Cordless screwdriver» category have a defect within the first 24 months?

Source: Galaxus
  • 3.Bosch Home & Garden
    0,4 %
  • 4.Ryobi
    0,8 %
  • 5.Bosch Professional
    0,9 %
  • 5.Festool
    0,9 %
  • 7.Xiaomi
    1 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Einhell
    1 day
  • 4.Makita
    2 days
  • 5.Ryobi
    3 days
  • 6.Metabo
    4 days
  • 7.Bosch Professional
    7 days

Return rate

How often is a product of this brand in the «Drills + Cordless screwdriver» category returned?

Source: Galaxus
  • 2.HAZET
    1,2 %
  • 3.Black & Decker
    1,7 %
  • 3.Bosch Professional
    1,7 %
  • 3.DeWalt
    1,7 %
  • 6.Bosch Home & Garden
    1,8 %
Source: Galaxus

Translation: machine translated
Overall ratingVery good88/100
Very good87/100
Heimwerker Praxis Logo
Heimwerker PraxisSingle testReleaseDecember 2021
  • Positivesophisticated technology
  • NegativeNo vibration damping

Yes, the Bosch GBH 18V-21 is a bit older. But it is still a serious contender for its current competitors. It is simply a typical Bosch tool with mature technology that works well, not to mention high reliability.

This test report belongs to a different type: GBH 18V-21
Very good88/100
Professional ToolsSingle testReleaseDecember 2021
  • Positivesophisticated technology
  • NegativeNo vibration damping

Yes, the Bosch GBH 18V-21 is a bit older. But it is still a serious contender for its current competitors. It is simply a typical Bosch tool with mature technology that works well, not to mention high reliability.

This test report belongs to a different type: GBH 18V-21