Bosch 8.5 Amp GBH2-28L SDS-plus vs Bosch GBH18V-22N 18V Brushless SDS-plus® (2026): Key Differences
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are comparing the bosch 8 5 amp gbh2 28l sds plus vs gbh18v 22n 18v brushless sds plus. Both tools use the SDS-plus bit system and feature KickBack Control to stop rotation during binding. They also share variable-speed triggers for precise bit starting. The main difference lies in their power source. One is a corded 8.5-amp model, while the other is a battery-powered 18V brushless unit. This changes how you power the tool and affects weight and runtime.
Key differences
| Aspect | Bosch 1-1/8-Inch SDS-Plus D-Handle Rotary Hammer | Bosch 3/4-Inch Brushless SDS-Plus Rotary Hammer |
|---|---|---|
| Power Source | Corded, 8.5 Amp | 18V Battery (Bare Tool) |
| Motor Type | Not listed | Brushless |
| Chuck Size | 1-1/8 In. | 3/4 In. |
| Impact Energy | 2.4 Ft.-Lbs. | 1.4 ft.-lbs. (EPTA) |
| Weight | 6.39 lbs. | 5.1 lbs. (tool only) |
| Battery Included | Not listed | No (Bare Tool) |
Which one should you choose?
Choose Bosch 1-1/8-Inch SDS-Plus D-Handle Rotary Hammer if
- You need higher impact energy for heavy-duty concrete work
- You prefer continuous power from a wall outlet without battery management
- You require a larger chuck size for bigger bits
Choose Bosch 3/4-Inch Brushless SDS-Plus Rotary Hammer if
- You want a lighter tool for overhead drilling or extended reach
- You are already using Bosch 18V batteries and want to save on costs
- You prioritize motor efficiency and longer runtime on a single charge
Verdict: Choose the corded GBH2-28L if you need maximum impact energy and consistent power for heavy masonry. Pick the cordless GBH18V-22N if you value maneuverability and are already invested in the 18V battery ecosystem.
Power Source and Voltage Comparison
Power Source
The Bosch GBH2-28L relies on an 8.5-amp corded motor, providing continuous power without battery management. You plug it in and drill. The Bosch GBH18V-22N uses an 18V battery system, offering mobility on job sites without cords. However, it is sold as a bare tool, meaning you must supply your own batteries. If you work in areas without outlets, the cordless option wins. For unlimited runtime in a fixed location, the corded model is superior. You choose based on your workspace setup.
Impact Energy
Impact energy determines how fast the tool breaks through concrete. The GBH2-28L delivers 2.4 ft.-lbs. of impact energy. This higher force helps it punch through tough masonry quickly. The GBH18V-22N provides 1.4 ft.-lbs. of impact energy according to EPTA standards. While still capable for heavy-duty applications, it generates less raw force per blow. If your primary task involves drilling large holes in dense concrete, the corded GBH2-28L has a clear advantage in driving power.
Chuck Size
Chuck size limits the diameter of bits you can use. The GBH2-28L features a 1-1/8 inch chuck capacity. This allows you to use larger masonry bits for bigger holes or anchor installations. The GBH18V-22N has a smaller 3/4 inch chuck. This restricts you to smaller diameter bits. If you frequently drill large holes for anchors or pipes, the larger chuck on the corded model is essential. For standard small to medium holes, both are sufficient.
Weight
Weight affects comfort during overhead or extended use. The GBH2-28L weighs 6.39 lbs. This heft provides stability but can cause fatigue over long periods. The GBH18V-22N weighs only 5.1 lbs. when tool only. This lighter design reduces strain on your arm and shoulder. You will notice the difference when holding the tool up for ceiling work. The cordless option is easier to maneuver and carry around the job site.
Motor Type
Motor technology influences efficiency and maintenance. The GBH18V-22N uses a brushless motor. This design maximizes battery runtime and reduces wear on internal components. It offers longer tool life with less maintenance. The GBH2-28L uses a standard brushed motor. While robust, it requires periodic brush replacements. Brushless motors are generally more efficient and powerful for their size. If you want modern efficiency and less upkeep, the brushless GBH18V-22N is the better technical choice.
Included Tools
What you get in the box varies significantly. The GBH2-28L is often available in variations that include bit sets, such as a 7-piece set or a masonry trade bit set. The GBH18V-22N is explicitly listed as a bare tool in the primary data provided. You must purchase batteries and chargers separately. If you need a complete ready-to-use kit immediately, the corded model with included accessories offers more value. The cordless tool requires additional investment to become operational.
Which Bosch Rotary Hammer Fits You
You need maximum impact energy for heavy concrete
The corded GBH2-28L delivers 2.4 ft.-lbs. of impact energy. This higher force helps you drill through dense masonry faster than the battery model. Its 8.5-amp motor provides consistent power without worrying about battery charge levels. You get reliable performance for tough demolition or large-diameter holes where strength matters most.
You want portability and lighter weight for overhead work
The GBH18V-22N weighs only 5.1 lbs. without the battery. This makes it easier to handle when drilling overhead or in tight spaces. The brushless motor extends runtime compared to brushed alternatives. You gain mobility on job sites without cords. Just remember to pair it with a compatible 18V battery for operation.
You prefer continuous use without battery swaps
The 8.5-amp corded design means you never stop to recharge. You plug it in and drill continuously. This is ideal for long projects like installing anchor bolts or core drilling. The D-handle offers better control for sustained use. You avoid the downtime associated with swapping batteries or waiting for them to charge.
The products compared
Bosch 1-1/8-Inch SDS-Plus D-Handle Rotary Hammer
Best for: Heavy-duty masonry drilling and chiseling
- Power Source
- 8.5 Amp
- Impact Energy
- 2.4 Ft.-Lbs.
- Chuck Size
- 1-1/8 In.
- Bit System
- SDS-plus
- Operating Modes
- 3 modes: drilling, hammer, chiseling
- Weight
- 6.39 lbs.
View on Amazon: Bosch 1-1/8-Inch SDS-Plus D-Handle Rotary Hammer Affiliate link
This Bosch corded rotary hammer uses an 8.5-amp motor to deliver 2.4 ft-lbs of impact energy. It features a 1-1/8 inch chuck and SDS-plus bit system for heavy masonry work. The D-handle design and vibration control improve comfort during overhead drilling. You get reliable power without battery limitations, making it a solid choice for continuous professional use.
Pros
- 8.5-amp motor provides 2.4 ft-lbs of impact energy
- KickBack Control stops rotation during bit bind-up
- Counter-balanced Vibration Control reduces user fatigue
- Vario-Lock allows precise chisel angle adjustment
Cons
- Corded design limits mobility compared to battery models
- Heavier at 6.39 lbs than many 18V alternatives
- No variable speed electronic feedback mentioned
Good fit if
- You need consistent power for heavy-duty drilling
- You prefer corded tools to avoid battery swaps
- You work in fixed locations like construction sites
Skip if
- You require maximum portability for tight spaces
- You need a lightweight tool for overhead work
- You want to work without a power cord
Verdict: Bosch GBH2-28L 8.5 Amp Corded Rotary Hammer suits pros who prioritize raw power and durability over weight. It delivers steady performance for masonry tasks where corded convenience outweighs the bulk.
Bosch 3/4-Inch Brushless SDS-Plus Rotary Hammer
Best for: Users with existing 18V batteries needing lightweight drilling
- Power Source
- 18V
- Impact Energy
- 1.4 ft.-lbs.
- Chuck Size
- 3/4 In.
- Bit System
- SDS-plus
- Motor Type
- Brushless
- Battery Included
- No (bare tool)
View on Amazon: Bosch 3/4-Inch Brushless SDS-Plus Rotary Hammer Affiliate link
This bare tool rotary hammer uses an 18V brushless motor to deliver 1.4 ft.-lbs. of impact energy. It weighs 5.1 lbs. for easier handling. The variable-speed trigger helps with accurate bit starting. Kickback control reduces sudden reactions. It suits users who already own compatible batteries and need a lightweight, powerful tool for concrete drilling.
Pros
- 1.4 ft.-lbs. of impact energy for heavy-duty concrete work
- Brushless motor maximizes battery runtime
- Lightweight 5.1 lbs. tool-only design
- Kickback control technology reduces binding reactions
Cons
- Sold as a bare tool with no battery included
- Lower impact energy than the 8.5 Amp corded competitor
- Requires separate purchase of 18V batteries
Good fit if
- You already own Bosch 18V batteries
- You need a lightweight tool for overhead drilling
- You prioritize battery runtime over corded power
Skip if
- You want a complete kit with batteries included
- You need maximum impact energy for heavy chipping
- You prefer corded reliability without charging cycles
Verdict: Bosch 18V Brushless Rotary Hammer fits users who already have 18V batteries and want a lightweight tool for precise drilling. It offers good runtime but less power than the corded option.
Specifications side by side
| Spec | Bosch 1-1/8-Inch SDS-Plus D-Handle Rotary Hammer | Bosch 3/4-Inch Brushless SDS-Plus Rotary Hammer |
|---|---|---|
| Power Source | 8.5 Amp | 18V |
| Impact Energy | 2.4 Ft.-Lbs. | 1.4 ft.-lbs. |
| Chuck Size | 1-1/8 In. | 3/4 In. |
| Bit System | SDS-plus | SDS-plus |
| Motor Type | not stated | Brushless |
| Operating Modes | 3 modes: drilling, hammer, chiseling | not stated |
| Battery Included | not stated | No (bare tool) |
| Blows Per Minute | not stated | 0-4,675 BPM |
| Weight | 6.39 lbs. | 5.1 lbs. |
| Variable Speed | Variable-speed trigger | Variable-speed trigger |
| Voltage | not stated | 18V |
| Included Tools | Rotary Hammer | Rotary Hammer |
| Bit Type | SDS-Plus | SDS-Plus |
| Application | Concrete | not stated |
| Dimensions | 17.4 × 3.5 × 8.5 inches | 11.5 × 3.25 × 8.1 inches |
| Size | 174 in | 11.5" in |
| Color | Black | Black |
| Model | GBH2-28L | GBH18V-22N |
Frequently asked questions
Which Bosch rotary hammer is lighter for overhead work?
The Bosch GBH18V-22N is the lighter option for overhead tasks. It weighs 5 pounds, making it easier to hold and maneuver for extended periods. The corded GBH2-28L is heavier at 6.39 pounds. This extra weight provides stability but can cause fatigue during precise or overhead drilling operations.
Does the corded model offer more power than the 18V version?
Yes, the corded GBH2-28L offers more raw power. Its 8.5-amp motor delivers steady performance for heavy-duty masonry drilling. The 18V brushless model provides good runtime but less power than the corded option. You should choose the corded tool if you prioritize maximum impact energy over portability.
What is the difference in chuck size between these two models?
The chuck sizes differ significantly between the two tools. The GBH2-28L features a 1-1/8 inch chuck, while the GBH18V-22N has a 3/4 inch chuck. Both accept SDS-plus bits. The larger chuck on the corded model may accommodate bigger bits for heavy-duty applications compared to the compact 18V version.
Is the 18V model suitable for users with existing batteries?
The GBH18V-22N is designed for users with existing 18V batteries. It is sold as a bare tool, meaning no battery is included. This makes it a cost-effective upgrade if you already own the Bosch 18V system. It offers lightweight drilling capabilities that complement your existing power tool ecosystem.
How do the physical dimensions compare for storage in a toolbox?
The corded GBH2-28L is larger, measuring 17.4 inches in length. The 18V GBH18V-22N is more compact at 11.5 inches long. Both tools are black. The shorter length of the brushless model makes it easier to fit into smaller toolboxes or tight storage spaces on a job site.
Which tool is better for heavy-duty concrete drilling?
The GBH2-28L is better for heavy-duty concrete drilling. It is built for pros who prioritize raw power and durability. Its corded motor provides continuous power without battery management. This steady performance is ideal for dense masonry tasks where corded convenience outweighs the bulk of the heavier, larger tool.