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Bosch GSB 18V-21 Percussive Drill Driver Battery 18V 2x2Ah
Power Drill Drivers & Screwdrivers

Bosch GSB 18V-21 Percussive Drill Driver Battery 18V 2x2Ah

The Bosch GSB 18V-21 is a cordless hammer drill/driver for driving, removing and drilling screws. Its hammer function allows you to drill into masonry, while the rotational speed and torque can be...

The Bosch GSB 18V-21 is a cordless hammer drill/driver for driving, removing and drilling screws. Its hammer function allows you to drill into masonry, while the rotational speed and torque can be adjusted to suit the task. It is compatible with Bosch GBA 18V batteries.

  • Type: Hammer drill/driver
  • Power supply: Battery-powered
  • Voltage: 18 V
  • Batteries: 2 x 2...
See full description See full description

Top specs

  • Power Supply

    Battery

    Indicates whether the tool operates on battery or directly from the mains. Battery-powered tools offer freedom of movement, while electric ones provide continuous power.
  • Number of Batteries 2

  • Speed Setting

    Ability to adjust the rotation speed according to the task (low speed for screwing, higher speed for drilling into larger walls, maximum speed for drilling into concrete)

  • Voltage

    It corresponds to the power of the tool. Higher voltage means more power and durability for heavy-duty tasks.

  • Battery Capacity

    The battery capacity. The higher the number, the longer the tool's operating time. An average continuous working time is 20-25 minutes per ah, but it always depends on the type of work we are doing.

  • Maximum Motor Speed

    The maximum rotational speed of the engine in revolutions per minute. For drilling tasks, a number of revolutions up to 1500rpm is perfectly satisfactory, as there is a risk of breaking the drill bit due to the increase in temperature above that level, while for screwing tasks higher speeds can be used, especially if the material is soft such as wood or plasterboard.

  • Chuck Diameter

    The maximum size of drill bit or tip you can use. The larger the chuck, the more accessories it fits.

  • Torque Setting

    The ability to adjust the torque of the tool's operation according to the task at hand. (Low torque for easy screwing/unscrewing, high torque for drilling into walls).

  • Impact

    The impact function provides high power to easily and quickly complete even the most demanding tasks.
  • See all

Contents kit

  1. 2x2Ah with Hard Case

    Unavailable

  2. Solo with Hard Case

    from 134,80 €

The product is not available for shipping to the selected country.
Product report

Description

Description

The Bosch GSB 18V-21 is a cordless hammer drill/driver for driving, removing and drilling screws. Its hammer function allows you to drill into masonry, while the rotational speed and torque can be adjusted to suit the task. It is compatible with Bosch GBA 18V batteries.

  • Type: Hammer drill/driver
  • Power supply: Battery-powered
  • Voltage: 18 V
  • Batteries: 2 x 2 Ah batteries
  • Charger: Included
  • Maximum torque: 55 Nm
  • Maximum speed: Up to 1,800 rpm
  • Impact rate: Up to 27,000 bpm
  • Torque adjustment: Adjustable
  • Chuck / holder: Keyless chuck, up to 13 mm
  • Drilling capacity: Wood up to 35 mm, steel up to 10 mm, concrete up to 10 mm
  • Weight: 1,200 g without battery, 1,550 g with battery
  • Carrying case: Hard case
  • Package contents: 2 x 2 Ah batteries and hard case

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Type
Drill Driver

Type

Drill Driver

Suitable for screwing-unscrewing and drilling holes in wood, metal, and various building materials.
Power Source
Battery

Power Source

Battery
Indicates whether the tool operates on battery or directly from the mains. Battery-powered tools offer freedom of movement, while electric ones provide continuous power.
Brushless
No

Brushless

The advantage that brushless motors have over brushed ones is that they do not have friction since there are no carbon brushes. Without carbon brushes, the motors are more efficient and have a longer lifespan as there is no wear (the carbon brushes in brushed motors wear out with use). They produce less noise, maintain constant torque at all speeds, do not overheat, and require no maintenance.

Battery Features

Number of Batteries
2
Battery Voltage
18 V

Battery Voltage

It corresponds to the power of the tool. Higher voltage means more power and durability for heavy-duty tasks.
Battery Capacity
2 Ah

Battery Capacity

The battery capacity. The higher the number, the longer the tool's operating time. An average continuous working time is 20-25 minutes per ah, but it always depends on the type of work we are doing.
Secondary Battery Charge Ah
2 Ah
Compatible Battery Type
Bosch GBA 18V

Compatible Battery Type

The type of battery that can be installed in the tool.

Drilling Abilities

Steel Ø
10 mm

Steel Ø

The maximum possible drilling diameter in metal. The most common diameter for household screws is 6-8mm.
Wood Ø
35 mm
Cement Ø
10 mm

Cement Ø

The maximum possible drilling diameter in cement. The most common diameter for household screws is 6-10mm.

Features & Functions

Maximum Motor Speed
1800 rpm

Maximum Motor Speed

The maximum rotational speed of the engine in revolutions per minute. For drilling tasks, a number of revolutions up to 1500rpm is perfectly satisfactory, as there is a risk of breaking the drill bit due to the increase in temperature above that level, while for screwing tasks higher speeds can be used, especially if the material is soft such as wood or plasterboard.
Speed Adjustment
Yes

Speed Adjustment

Ability to adjust the rotation speed according to the task (low speed for screwing, higher speed for drilling into larger walls, maximum speed for drilling into concrete)
Maximum Torque
55 Nm

Maximum Torque

The maximum power that the tool can deliver to rotate a drill or a screw. Up to 20Nm, we can screw/unscrew small screws that do not require a lot of force to rotate. From 20 to 60Nm, we can perform drilling tasks in addition to screwing. More than 60Nm is mainly encountered in impact drivers that can screw/unscrew screws that require a lot of force to rotate, such as bolts.
Maximum Number of Hits
27000 bpm
Torque Adjustment
Yes

Torque Adjustment

The ability to adjust the torque of the tool's operation according to the task at hand. (Low torque for easy screwing/unscrewing, high torque for drilling into walls).
Percussive
Yes

Percussive

The impact function provides high power to easily and quickly complete even the most demanding tasks.
Angle
No
Interchangeable Head
No
Reception
Quick Change
Maximum Chuck Diameter
13 mm

Maximum Chuck Diameter

The maximum size of drill bit or tip you can use. The larger the chuck, the more accessories it fits.
Net Weight
1200 gr
Weight (with Battery)
1550 gr

Extra Features

Carrying Case
Hard Case

Carrying Case

Hard Case
Delivered with a hard carrying case.
Handle Included
No
Integrated Light
No
With Charger
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (2)

Reviews

5.0
2
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • antwnis_Kasidhs
    1
    1 out of 1 members found this review helpful
    antwnis_Kasidhs

    Guys, Bosch has gone too far, it's ridiculous, very expensive as a company and with very weak products. Makita is currently by far the best with much better prices. If you want power and something that will last for many, many years, get Makita. DeWalt or Bosch are just a joke and will break down very soon, especially if used professionally!!!!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Yannis_P

    Verified purchase

  • antwnis_Kasidhs
    1
    antwnis_Kasidhs

    Guys, Bosch has gone too far, it's ridiculous, very expensive as a company and with very weak products. Makita is currently by far the best with much better prices. If you want power and something that will last for many, many years, get Makita. DeWalt or Bosch are just a joke and will break down very soon, especially if used professionally!!!!

    Translated from Greek ·
    1
  • 5
    Yannis_P

    0
  • See all

Description & Specifications

The Bosch GSB 18V-21 is a cordless hammer drill/driver for driving, removing and drilling screws. Its hammer function allows you to drill into masonry, while the rotational speed and torque can be adjusted to suit the task. It is compatible with Bosch GBA 18V batteries.

  • Type: Hammer drill/driver
  • Power supply: Battery-powered
  • Voltage: 18 V
  • Batteries: 2 x 2 Ah batteries
  • Charger: Included
  • Maximum torque: 55 Nm
  • Maximum speed: Up to 1,800 rpm
  • Impact rate: Up to 27,000 bpm
  • Torque adjustment: Adjustable
  • Chuck / holder: Keyless chuck, up to 13 mm
  • Drilling capacity: Wood up to 35 mm, steel up to 10 mm, concrete up to 10 mm
  • Weight: 1,200 g without battery, 1,550 g with battery
  • Carrying case: Hard case
  • Package contents: 2 x 2 Ah batteries and hard case

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Type
Drill Driver

Type

Drill Driver

Suitable for screwing-unscrewing and drilling holes in wood, metal, and various building materials.
Power Source
Battery

Power Source

Battery
Indicates whether the tool operates on battery or directly from the mains. Battery-powered tools offer freedom of movement, while electric ones provide continuous power.
Brushless
No

Brushless

The advantage that brushless motors have over brushed ones is that they do not have friction since there are no carbon brushes. Without carbon brushes, the motors are more efficient and have a longer lifespan as there is no wear (the carbon brushes in brushed motors wear out with use). They produce less noise, maintain constant torque at all speeds, do not overheat, and require no maintenance.

Battery Features

Number of Batteries
2
Battery Voltage
18 V

Battery Voltage

It corresponds to the power of the tool. Higher voltage means more power and durability for heavy-duty tasks.
Battery Capacity
2 Ah

Battery Capacity

The battery capacity. The higher the number, the longer the tool's operating time. An average continuous working time is 20-25 minutes per ah, but it always depends on the type of work we are doing.
Secondary Battery Charge Ah
2 Ah
Compatible Battery Type
Bosch GBA 18V

Compatible Battery Type

The type of battery that can be installed in the tool.

Drilling Abilities

Steel Ø
10 mm

Steel Ø

The maximum possible drilling diameter in metal. The most common diameter for household screws is 6-8mm.
Wood Ø
35 mm
Cement Ø
10 mm

Cement Ø

The maximum possible drilling diameter in cement. The most common diameter for household screws is 6-10mm.

Features & Functions

Maximum Motor Speed
1800 rpm

Maximum Motor Speed

The maximum rotational speed of the engine in revolutions per minute. For drilling tasks, a number of revolutions up to 1500rpm is perfectly satisfactory, as there is a risk of breaking the drill bit due to the increase in temperature above that level, while for screwing tasks higher speeds can be used, especially if the material is soft such as wood or plasterboard.
Speed Adjustment
Yes

Speed Adjustment

Ability to adjust the rotation speed according to the task (low speed for screwing, higher speed for drilling into larger walls, maximum speed for drilling into concrete)
Maximum Torque
55 Nm

Maximum Torque

The maximum power that the tool can deliver to rotate a drill or a screw. Up to 20Nm, we can screw/unscrew small screws that do not require a lot of force to rotate. From 20 to 60Nm, we can perform drilling tasks in addition to screwing. More than 60Nm is mainly encountered in impact drivers that can screw/unscrew screws that require a lot of force to rotate, such as bolts.
Maximum Number of Hits
27000 bpm
Torque Adjustment
Yes

Torque Adjustment

The ability to adjust the torque of the tool's operation according to the task at hand. (Low torque for easy screwing/unscrewing, high torque for drilling into walls).
Percussive
Yes

Percussive

The impact function provides high power to easily and quickly complete even the most demanding tasks.
Angle
No
Interchangeable Head
No
Reception
Quick Change
Maximum Chuck Diameter
13 mm

Maximum Chuck Diameter

The maximum size of drill bit or tip you can use. The larger the chuck, the more accessories it fits.
Net Weight
1200 gr
Weight (with Battery)
1550 gr

Extra Features

Carrying Case
Hard Case

Carrying Case

Hard Case
Delivered with a hard carrying case.
Handle Included
No
Integrated Light
No
With Charger
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (2)

5.0
2
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • antwnis_Kasidhs
    1
    1 out of 1 members found this review helpful
    antwnis_Kasidhs

    Guys, Bosch has gone too far, it's ridiculous, very expensive as a company and with very weak products. Makita is currently by far the best with much better prices. If you want power and something that will last for many, many years, get Makita. DeWalt or Bosch are just a joke and will break down very soon, especially if used professionally!!!!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Yannis_P

    Verified purchase

  • antwnis_Kasidhs
    1
    antwnis_Kasidhs

    Guys, Bosch has gone too far, it's ridiculous, very expensive as a company and with very weak products. Makita is currently by far the best with much better prices. If you want power and something that will last for many, many years, get Makita. DeWalt or Bosch are just a joke and will break down very soon, especially if used professionally!!!!

    Translated from Greek ·
    1
  • 5
    Yannis_P

    0
  • See all