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BOSCH GSB 18V-21 cordless hammer drill in L-BOXX 136 (without battery and charger) - 06019H1108

This product has been discontinued.

Successor to this product

Bosch PRODEALS 2026

Receive a FREE battery, case, work light, machine or starter set when purchasing Bosch Professional 18V products before it's too late!

How does it work?

  • Purchase Bosch Professional 18V power tools, garden tools, measuring tools, batteries, chargers or starter sets with a minimum spend and receive a compatible gift for free. Combine multiple purchases on one invoice to reach the required threshold.
  • Upload your proof of purchase via the BoschPro360 app before September 30, 2026 to claim your gift.

Gifts

  • Category A: Spend from €199 excl. VAT -> choose a free GBA 18V 4.0Ah Professional battery worth €77.91 incl. VAT, a GLI 18V-300 work light worth €62.80 incl. VAT or an L-BOXX 102 with 13-piece L-BOXX set worth €71.80 incl. VAT.
  • Category B: Spend from €349 excl. VAT -> choose a ProCORE18V 4.0Ah battery + GAL 18V-40 Professional starter set worth €129.64 incl. VAT, a GEX 185-LI cordless random orbit sander or a GDR 18V-215 cordless impact driver.
  • Category C: Spend from €499 excl. VAT -> choose a ProCORE18V starter set (1× ProCORE18V 4.0Ah battery + 1× ProCORE18V 5.5Ah battery + GAL 1880 CV Professional charger), a GOP 18V-34 cordless multitool or a GHE 18V-50 cordless hedge trimmer worth €215.88 incl. VAT.
  • Promotion period: May 1, 2026 through August 31, 2026. Gift claims can be submitted until September 30, 2026.

Please note: While supplies last, so don't wait too long. Gifts are only available while stocks last. New terms and conditions apply.

Bosch PRODEALS 2026 - Buy Bosch Professional 18V tools and receive a gift!

Scope of delivery

  • L-BOXX 136 (1 600 A01 2G0)

Product description

Reliable cordless impact drill in the 18V class - with impact drilling function

  • Affordable: Bosch quality at an affordable price!
  • Highly serviceable: Motor has interchangeable carbon brushes for easy maintenance and serviceability!
  • Durable: Designed with robust housing and battery cell protection!

Product highlights

The GSB 18V-21 Professional is the reliable cordless impact drill with knock-down function as an entry-level model in Bosch's 18V class. With a hard torque of 55 Nm, it delivers the performance needed for fundamental drilling and impact drilling applications. The solid metal gear housing and Electronic Cell Protection ensure professional quality in everyday use and make the screwdriver reliable and durable. Moreover, a professional design with a 13 mm quick-clamping drill chuck supports high-quality work. This machine is intended for drilling in wood with a maximum diameter of 35 mm, in steel up to 13 mm and for screw diameters up to 10 mm. The tapping drill function also enables work in masonry up to max. 10 mm. It is compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System).

Equipment and application

The GSB 18V-21 Professional also features 2 gears, Autolock, LED light, Li-Ion and left/right rotation function.

Key features according to our expert
  • Battery voltage: 18 V
  • Max. drilling diameter (wood): 35 mm
  • Number of batteries included: 0
  • Weight: 2 kg
  • Type of system case: L-BOXX
  • Supplied in: System case
  • Max. drilling diameter (steel): 13 mm
  • UN number: Not applicable
  • Max. drilling diameter (masonry): 10 mm
  • Max. tightening torque: 55 Nm
  • Max. clamping capacity: 13 mm
  • Min. clamping capacity: 1,5 mm
  • Number of torque settings: 20+1
  • Product Range: Bosch 18V
Specifications / All features
Battery voltage
18 V
Max. drilling diameter (wood)
35 mm
Number of batteries included
0
Weight
2 kg
Type of system case
L-BOXX
Supplied in
System case
Max. drilling diameter (steel)
13 mm
Un number
Not applicable
Max. drilling diameter (masonry)
10 mm
Max. tightening torque
55 Nm
Max. clamping capacity
13 mm
Min. clamping capacity
1,5 mm
Number of torque settings
20+1
Vibration emission value ah (screws)
1.5 m/s²
Uncertainty k
5 dB
Torque (soft/hard/max.)
21 / 55 / - Nm
Uncertainty k (hammer drilling in masonry)
6.7 m/s²
Drill chuck clamping range, min./max.
1.5 / 13 mm
Torque positions
20+2
Number of strokes, max.
27000 min-1
Drill diameter wood, max.
35 mm
No-load speed (1st gear/2nd gear)
0 - 480 / 0 - 1800 min-1
Screw diameter, max
10 mm
Drill diameter masonry, max.
10 mm
Uncertainty k (drilling in metal)
3.3 m/s²
Vibration emission value (hammer drills in masonry)
1.5 m/s²
Battery type
Li-Ion
Uncertainty k (screws)
1 m/s²
Sound power level
99 dB(A)
Vibration emission value ah (drilling in metal)
1.5 m/s²
Drill diameter steel, max.
10 mm
Sound pressure level
88 dB(A)
Product range
Bosch 18V
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