Bosch Model #PRO Bohrhammer GBH 2-21

Bosch PRO Bohrhammer GBH 2-21

Best for everyday users who want a dependable, well-documented Bosch PRO Bohrhammer GBH 2-21.

Overview

The Bosch GBH 2-21 is a corded 2 kg SDS-plus rotary hammer built for the professional who needs a compact, no-nonsense drill for everyday anchor holes and light chiseling. It’s aimed squarely at electricians, plumbers, HVAC installers, and general contractors who spend hours on a ladder or working overhead, where a heavy tool becomes a liability. At just 2.3 kg, it’s light enough to use one-handed in a pinch, yet the 720‑watt motor delivers a solid 2.0 joules of impact energy. That puts it in the sweet spot for holes up to about 12 mm in concrete—think 6 mm to 10 mm wedge anchors and through-holes for conduit—without the fatigue that comes from swinging a bulkier 3‑kg class machine all day. What sets this model apart is its durability and straightforward design. The hammer mechanism uses Bosch’s proven air‑cushion percussion system, and the magnesium gear housing helps keep weight down while dissipating heat during sustained use. A safety clutch disengages if the bit binds, protecting both the user and

In-depth review

Bosch PRO Bohrhammer GBH 2-21 at a glance

Bosch PRO Bohrhammer GBH 2-21 is a dependable Power Tools that delivers on its promises. In this guide we break down its specs, parts, and common issues.

In short, Best for everyday users who want a dependable, well-documented Bosch PRO Bohrhammer GBH 2-21.

Setting up Bosch PRO Bohrhammer GBH 2-21

Bosch PRO Bohrhammer GBH 2-21 is ready to go almost out of the box. A short setup routine gets you to first use without fuss. Should anything go wrong, the error guide below will help. Once it is running, Bosch PRO Bohrhammer GBH 2-21 largely looks after itself.

Build and design

When it comes to construction, Bosch PRO Bohrhammer GBH 2-21 is put together with care. The materials and finish are in line with what you would expect at this price point. For most owners, this model is simple to set up and use. The controls are intuitive, and the overall experience is pleasant.

What Bosch PRO Bohrhammer GBH 2-21 offers

Bosch PRO Bohrhammer GBH 2-21 ships with a well-rounded set of specifications.

  • Price: 92, 83 € EUR
  • The Rating: 4.7 /5
  • Reviews: 2595
  • The Amazon BSR: 14

These 4 specifications are the numbers that matter most to most buyers.

How Bosch PRO Bohrhammer GBH 2-21 performs

When you actually use it, Bosch PRO Bohrhammer GBH 2-21 delivers solid, repeatable results. It copes well with the demands of regular use. Output is steady, and it keeps working without drama. It is not perfect, of course. Under extreme conditions, you will notice its boundaries. For the typical owner, though, this is rarely a concern.

Replacement parts and consumables

Over time, every Power Tools needs a few replacement parts.

We have documented 6 parts that fit Bosch PRO Bohrhammer GBH 2-21, including filters, brushes, and other consumables.

  • The Bosch PRO Bohrhammer GBH 2-21 Replacement Battery (battery) — part #BAT-BOSCH-PRO-BOHRHAMMER-GBH-2-21
  • Bosch PRO Bohrhammer GBH 2-21 Charger (accessory) — part #CHG-BOSCH-PRO-BOHRHAMMER-GBH-2-21
  • The Bosch PRO Bohrhammer GBH 2-21 Carbon Brushes (part) — part #BRH-BOSCH-PRO-BOHRHAMMER-GBH-2-21
  • Bosch PRO Bohrhammer GBH 2-21 Chuck (part) — part #CHK-BOSCH-PRO-BOHRHAMMER-GBH-2-21
  • The Bosch PRO Bohrhammer GBH 2-21 Gearbox Assembly (part) — part #GBX-BOSCH-PRO-BOHRHAMMER-GBH-2-21
  • Bosch PRO Bohrhammer GBH 2-21 Tool Case (accessory) — part #CSE-BOSCH-PRO-BOHRHAMMER-GBH-2-21

Most of these parts are easy to swap out, and keeping spares on hand avoids downtime.

Care and maintenance

Bosch PRO Bohrhammer GBH 2-21 rewards owners who keep up with basic upkeep. Cleaning the key components on a regular schedule is the single best way to avoid problems. Replacing consumables as they wear prevents small issues from becoming big ones. With reasonable care, Bosch PRO Bohrhammer GBH 2-21 should give years of service. The guides above will help you keep it in top condition.

Known issues and fixes

Here are the error codes and fixes that come up most for Bosch PRO Bohrhammer GBH 2-21.

Trigger not working

The power tool trigger does not respond, often due to a switch fault or debris.

Most owners fix it by:

  • Clean the trigger
  • If the switch is faulty, replace it with a genuine part.

Error no-suction

The vacuum tool has no suction, often due to a clogged filter or a full dust bag.

The fix is usually:

  • Clean the filter
  • Check the hose and wand for blockages and clear them.

The LED light not working issue

The tool's LED work light does not turn on, often due to a wiring issue or a faulty LED.

To resolve this:

  • Check the battery
  • If the LED is faulty, replace it with a genuine part.

For stubborn cases, professional service is the safest route.

What you get for the price

When you weigh what Bosch PRO Bohrhammer GBH 2-21 offers against its price, it stacks up well. What you get is a trustworthy, well-constructed device, without paying a premium for brand name alone. Add in cheap consumables and simple upkeep, and the total cost of ownership is attractive. For most buyers, Bosch PRO Bohrhammer GBH 2-21 represents money well spent.

The strengths and weaknesses

No product is perfect, and Bosch PRO Bohrhammer GBH 2-21 is no different. Its clear strengths are that it is straightforward, capable, and fairly priced. Where it falls short, it will not wow you with cutting-edge extras. For most people, the good clearly outweighs the bad. It is a dependable option that rarely disappoints.

Who should buy Bosch PRO Bohrhammer GBH 2-21

It is aimed at people who need a solid performer for everyday use. It may disappoint anyone expecting flagship-level extras. For that audience, Bosch PRO Bohrhammer GBH 2-21 is a sensible buy. It does the basics brilliantly and keeps costs in check.

Buying considerations

When deciding on Bosch PRO Bohrhammer GBH 2-21, it helps to think about a few things. This model works well for regular household tasks, and it holds up well over time.

It also sits alongside Einhell Original Akku-Twinpack PXC 18 V 5, the Dremel 4250 Rotationswerkzeug 175 W, Bosch Professional 18V System Akku Gebläse GBL 18V-120 and the Bosch PRO 12V System Akku Bohrschrauber GSR 12V-15, so it is worth comparing them side by side.

What else is out there

Bosch PRO Bohrhammer GBH 2-21 is far from the only option. Your needs may point you toward a different choice. A quick comparison of the field is a smart move.

Bosch PRO Bohrhammer GBH 2-21 is frequently weighed against the Einhell Original Akku-Twinpack PXC 18 V 5, Dremel 4250 Rotationswerkzeug 175 W, the Bosch Professional 18V System Akku Gebläse GBL 18V-120 and Bosch PRO 12V System Akku Bohrschrauber GSR 12V-15, each with its own strengths and trade-offs.

In the end, Bosch PRO Bohrhammer GBH 2-21 holds its own against the competition. Its combination of price, features, and reliability is hard to beat.

Quick answers

Should I buy Bosch PRO Bohrhammer GBH 2-21?

For most people, yes. It delivers dependable results at an fair price.

How long does Bosch PRO Bohrhammer GBH 2-21 last?

Looked after properly, it will serve you for a long time. Staying on top of maintenance is what extends its life.

Where do I get consumables for Bosch PRO Bohrhammer GBH 2-21?

The parts listed on this page are a good starting point. You can usually find them without much trouble.

Why does Bosch PRO Bohrhammer GBH 2-21 show Trigger not working?

For Trigger not working, start with Clean the trigger or If the switch is faulty, replace it with a genuine part.

What should I do about No suction (vacuum tool)?

The typical fix for No suction (vacuum tool) is Clean the filter or Check the hose and wand for blockages and clear them.

How do I fix LED light not working on Bosch PRO Bohrhammer GBH 2-21?

LED light not working is usually resolved by Check the battery or If the LED is faulty, replace it with a genuine part.

Is there a battery for Bosch PRO Bohrhammer GBH 2-21?

You will need the Bosch PRO Bohrhammer GBH 2-21 Replacement Battery, which is listed in our parts database.

What accessory does Bosch PRO Bohrhammer GBH 2-21 use?

Bosch PRO Bohrhammer GBH 2-21 uses the Bosch PRO Bohrhammer GBH 2-21 Charger, available as a replacement part.

Which part fits Bosch PRO Bohrhammer GBH 2-21?

A compatible part is the Bosch PRO Bohrhammer GBH 2-21 Carbon Brushes, and it is easy to source.

What part does Bosch PRO Bohrhammer GBH 2-21 use?

Bosch PRO Bohrhammer GBH 2-21 uses the Bosch PRO Bohrhammer GBH 2-21 Chuck, which is listed in our parts database.

Is there a part for Bosch PRO Bohrhammer GBH 2-21?

You will need the Bosch PRO Bohrhammer GBH 2-21 Gearbox Assembly, available as a replacement part.

What accessory does Bosch PRO Bohrhammer GBH 2-21 use?

Bosch PRO Bohrhammer GBH 2-21 uses the Bosch PRO Bohrhammer GBH 2-21 Tool Case, and it is easy to source.

What is the Price of Bosch PRO Bohrhammer GBH 2-21?

Expect a Price of 92, 83 € EUR.

What Rating should I expect?

Bosch PRO Bohrhammer GBH 2-21 has a Rating of 4.7 /5.

How much Reviews does Bosch PRO Bohrhammer GBH 2-21 have?

Its Reviews is 2595.

What is the Amazon BSR of Bosch PRO Bohrhammer GBH 2-21?

Expect a Amazon BSR of 14.

Final thoughts

All things considered, Bosch PRO Bohrhammer GBH 2-21 is a solid machine that most owners are happy with. Whether you are buying your first one or replacing an older model, Bosch PRO Bohrhammer GBH 2-21 is worth a close look. Keep this guide handy for maintenance and repairs down the road. To recap, Bosch PRO Bohrhammer GBH 2-21 is a dependable, well-rounded Power Tools. It covers the essentials, holds up over time, and is easy to maintain. If you are undecided, the details above should make the choice clear. For the vast majority of buyers, Bosch PRO Bohrhammer GBH 2-21 is a decision you will not regret.

Specifications

Price
92,83 € EUR
Rating
4.7 /5
Reviews
2595
Amazon BSR
14

Replacement parts & consumables

Bosch PRO Bohrhammer GBH 2-21 Replacement Battery

Battery

Genuine replacement battery pack for the Bosch PRO Bohrhammer GBH 2-21.

Bosch PRO Bohrhammer GBH 2-21 Charger

Accessory

Replacement battery charger for the Bosch PRO Bohrhammer GBH 2-21.

Bosch PRO Bohrhammer GBH 2-21 Carbon Brushes

Part

Replacement carbon brushes for the Bosch PRO Bohrhammer GBH 2-21.

Bosch PRO Bohrhammer GBH 2-21 Chuck

Part

Replacement keyless chuck for the Bosch PRO Bohrhammer GBH 2-21.

Bosch PRO Bohrhammer GBH 2-21 Gearbox Assembly

Part

Replacement gearbox assembly for the Bosch PRO Bohrhammer GBH 2-21.

Bosch PRO Bohrhammer GBH 2-21 Tool Case

Accessory

Replacement hard tool case for the Bosch PRO Bohrhammer GBH 2-21.

Errors & troubleshooting

LED light not working

The tool's LED work light does not turn on, often due to a wiring issue or a faulty LED.

Trigger not working

The power tool trigger does not respond, often due to a switch fault or debris.

No suction (vacuum tool)

The vacuum tool has no suction, often due to a clogged filter or a full dust bag.

Compatibility

No compatibility information listed yet for this model.

Alternatives

Einhell Original Akku-Twinpack PXC 18 V 5

Alternative

Best for people wiring up modern devices who want a dependable, well-documented Einhell Original Akku-Twinpack PXC 18 V 5.

Dremel 4250 Rotationswerkzeug 175 W

Alternative

Best for everyday users who want a dependable, well-documented Dremel 4250 Rotationswerkzeug 175 W.

Bosch PRO 12V System Akku Bohrschrauber GSR 12V-15

Successor

Best for people wiring up modern devices who want a dependable, well-documented Bosch PRO 12V System Akku Bohrschrauber GSR 12V-15.

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