Bosch Professional GBH 18V-21 Set
Product details
Cordless Rotary Hammer with SDS Plus GBH 18V-21. The GBH 18V-21 Professional cordless rotary hammer delivers lasting power with 2.0 Joules of impact energy and a brushless motor. The highly efficient brushless motor requires less maintenance and provides better runtime per battery charge, resulting in reduced downtime and improved tool longevity. This tool offers three modes of operation: hammer drilling, drilling, and chiseling, ensuring high versatility. It provides sustained power for drilling numerous holes and boasts 20% more battery runtime compared to the previous model. Fully compatible with the GDE 16 Plus dust extraction system. The GBH 18V-21 Professional features functions such as LED light, overload clutch, variable speed, and Vario Lock. Includes L-BOXX 136; 2 x GBA 18V 4.0 Ah batteries; GAL 18V-40 Professional fast charger; depth stop; machine cloth.
Tool holder | SDS-plus |
Power supply | Rechargeable battery operated |
Drilling machine + percussion drilling machine Type | Hammer drill |
Battery voltage | 18 V |
Weight | 2.40 kg |
Item number | 13907439 |
Manufacturer | Bosch Professional |
Category | Drills + Cordless screwdriver |
Manufacturer no. | 0611911102 |
Release date | 1.10.2020 |
May include power adapter | No |
Colour | Blue |
Exact colour description | Blue / Black |
Drilling machine + percussion drilling machine Type | Hammer drill |
Use | Impact drilling |
Tool holder | SDS-plus |
Max. screw diameter | 30 mm |
Max. drilling diameter in wood | 30 mm |
Max. drilling diameter in steel | 13 mm |
Max. drilling diameter in concrete | 21 mm |
Power supply | Rechargeable battery operated |
Battery type | Li-ion |
Battery voltage | 18 V |
Capacity | 4 Ah |
Number of batteries | 2x |
Charging time | 60 min |
Battery equipment | 2 batteries supplied |
Charger equipment | Charger supplied |
Cable length | 0.45 m |
Number of gears | 1x |
Idle speed 2nd gear | 1800 rpm |
Max. Idle speed | 5100 rpm |
Max. Number of strokes | 5100 rpm |
Impact energy | 2 J |
Sound power level (LWA) | 101 dB |
Sound pressure level (LpA) | 90 dB |
Max. noise level | 90 dB |
Country of origin | China |
Manufacturer commitment | SBTi |
CO₂-Emission | |
Climate contribution |
Items per sales unit | 2x |
Length | 32.50 cm |
Width | 10.10 cm |
Height | 22 cm |
Weight | 2.40 kg |
Length | 44.50 cm |
Width | 37.50 cm |
Height | 16 cm |
Weight | 6.46 kg |
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Reviews & Ratings
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: Digitec Galaxus- 5.Festool0.9 %
- 5.Xiaomi0.9 %
- 7.Bosch Professional1 %
- 8.Einhell1.1 %
- 9.Milwaukee1.6 %
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: Digitec Galaxus- 2.Milwaukee1 day
- 4.DeWalt2 days
- 4.Makita2 days
- 6.Metabo5 days
- 7.Bosch Professional7 days
Return rate
How often is a product of this brand in the «Drills + Cordless screwdriver» category returned?
Source: Digitec Galaxus- 4.Festool1.5 %
- 5.Bosch Home & Garden1.8 %
- 5.Bosch Professional1.8 %
- 5.DeWalt1.8 %
- 8.Einhell2 %