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Item no.: 070105 GSB1821

Cordless hammer drill / driver GSB1821

Brand: Bosch
suitable battery - supplier / battery type / voltage Bosch 18 V
Packaging Modular case (L-Boxx)

Cordless hammer drill / driver GSB1821

In stock
Unit price
$ 290.88
plus VAT at the current rate Prices plus delivery costs



Bosch cordless drill / driver for very heavy-duty screwdriving, drilling and hammer drilling applications.
  • Electronic Cell Protection (ECP) protects the battery against overheating and deep discharge.
  • Electronic Motor Protection (EMP) protects the motor against overloading.
  • With motor brake and mechanical multi-stage torque shut-down.
  • Handy belt clip (not 070104).
  • Integral LED lamp, battery charge status display.
  • Quick-release drill chuck.

Robust cordless screwdriver with powerful DC motor.

Supplied with:

Supplied with 2× 18 V / 2.0 Ah Li-ion battery, charger and L-BOXX.


See No. 073851 ff. and 073866 ff for suitable spare batteries and chargers.

Technical Data

Battery capacity
2 A·h
Manufacturer's designation
GSB 18V-21 
maximum vibration to EN without hammer drill function
2.5 m/s2
1.5 kg
typical application
Modular case (L-Boxx) 
Motor design
4-pole DC motor 
suitable battery - supplier / battery type / voltage
Bosch 18 V 
maximum torque hard
55 N·m
maximum twist drill size ⌀ in wood
35 mm
maximum twist drill size ⌀ in steel
10 mm
Manufacturer ID
maximum torque soft
21 N·m
Battery voltage
18 V
Battery type
Number of rechargeable batteries contained

Accessories and spare parts