The Bosch Professional GSB 18V-21 is a cordless impact driver featuring a 2-speed transmission. Renowned for its durability, this power tool is ideal for both drilling and impact driving tasks. Suitable for various construction and DIY projects, it combines power and portability effectively.
| Voltage |
18V |
| Type |
Cordless impact driver |
| Battery Included |
No |
| Chuck Size |
1,5 - 13mm |
| Adjustable speed |
Yes |
| Battery level indicator |
Yes |
| Battery technology |
Lithium-Ion (Li-Ion) |
| Battery type |
Lithium-Ion |
| Battery Voltage |
18.0 V |
| Built-in light |
Yes |
| Chuck capacity (max) |
1.3cm |
| Chuck capacity (min) |
1.5mm |
| Chuck capacity, min./max. |
1.5 / 13mm |
| Drilling |
Yes |
| Drilling diameter in concrete (max) |
1cm |
| Drilling diameter in steel (max) |
1cm |
| Drilling diameter in wood (max) |
3.5cm |
| Electronic Cell Protection (ECP) |
Yes |
| Height |
155mm |
| Idle speed (1st gear) |
480 RPM |
| Idle speed (2nd gear) |
1800 RPM |
| Idle speed (details) |
(1st/2nd Gear) 0-480/0-1800 U/min |
| Idle speed (max) |
1800 RPM |
| Length |
442mm |
| Max. drill diameter |
(Wood/steel/masonry) 35/10/10mm |
| Max. Drilling Diameter in Masonry |
10mm |
| Max. Drilling Diameter in Steel |
10mm |
| Max. Drilling Diameter in Wood |
35mm |
| Max. impact rate |
27.000 bpm |
| Max. screw diameter |
10mm |
| Max. screw Ø |
10mm |
| Maximum torque (hard applications) |
55 N·m |
| Maximum torque (soft applications) |
21 N·m |
| No-load speed (1st gear / 2nd gear) |
0 – 500 / 0 – 1.900 rpm |
| Number of Batteries |
0 |
| Number of gears |
2 |
| Power Source |
Battery |
| Power supply (LOV) |
rechargeable |
| Product colour |
Black, Blue |
| Product design |
Pistol grip drill |
| Reverse |
Yes |
| Screw diameter (max) |
1cm |
| Screwdriving |
Yes |
| Soft grip |
Yes |
| Technology |
Li-ion |
| Torque (max) |
55 N·m |
| Torque (soft/hard/max.) |
21/54/- Nm |
| Torque levels |
20+1 |
| Torque settings |
20+2 |
| Transmission type |
2-speed |
| Weight |
1.2kg |
| Width |
360mm |
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