Best Rotary Hammer

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The best rotary hammer for most concrete and masonry jobs depends on whether you need a cord, which bit system your bits use, and how much impact energy the listing states. The ten listings we read include one cordless 18V model, one SDS-Max demolition-class model and eight corded SDS hammers. Several listings state little beyond their motor, so the figures below separate what each listing says from what it leaves out.

Quick answer

Cordless: the Seesii 1-inch listing is the only cordless hammer we read. It states 2.8 joules at up to 5000 BPM and two 4.0Ah batteries.
Highest stated SDS-Plus impact energy: the Seesii 13 Amp listing states 6J, the largest figure among the SDS-Plus models.
Heaviest-duty: the Berserker 42M is the SDS-Max model. Its listing states 10 joules and 16 lb, and says it has no drill-only function.
Lightest stated weight: the Seesii 9 Amp listing states 6.83 lb, the lowest weight any listing gives.

The rotary hammers we read

The table uses only the figures each listing states. A cell that reads not stated means the listing is silent on that point.

Listing	Power	Impact energy stated	BPM or RPM stated	Weight stated	Warranty or service stated
Seesii 1-inch cordless, brushless	18V battery	2.8 Joules	up to 5000 BPM	not stated	24 months technical support
Seesii 9 Amp SDS-Plus	Corded, 850W	up to 3J	5500 BPM	6.83 lb	2-year warranty
Berserker 42M SDS-Max	Corded, 13 amp	10 Joules (7.38 ft.lbs.)	0-3,800 BPM	16 lbs	24 months
Seesii 13 Amp SDS-Plus	Corded, 1500W	6J	4000 BPM	not stated	not stated
DESHUO 1-inch SDS-Plus	Corded, 9 amp	3 Joules (2.21 ft.lbs.)	5,300 BPM	7.19 lbs	24 months
Bosch 11255VSR SDS-Plus	Corded	2.0 feet/pounds	5,800 BPM	not stated	not stated
DongCheng 1-1/8-inch SDS-Plus	Corded, 9.2A (1100W)	3.6J	5,000 BPM	not stated	not stated
Berserker 26FA SDS-Plus	Corded, 9 amp	4.5 Joules (3.3 ft.lbs.)	4,200 BPM	9.5 pounds	24 months
DEWALT D25263K SDS	Corded, 8.5 amp	3.0 joules	not stated	not stated	2 Year Free Service
VEVOR 1-1/8-inch SDS-Plus	Corded	3.2J	5000 BPM	not stated	not stated

Checking the listings’ own energy conversions

Three listings state impact energy in both foot-pounds and joules. We use one formula, joules = foot-pounds x 1.3558, to check whether the two figures match. The Bosch listing gives only foot-pounds, so we convert it too.

Listing	Stated foot-pounds	Calculation	Result	Joules the listing states
Berserker 42M	7.38 ft.lbs.	7.38 x 1.3558	10.0 J	10 Joules
Berserker 26FA	3.3 ft.lbs.	3.3 x 1.3558	4.47 J	4.5 Joules
DESHUO 1-inch	2.21 ft.lbs.	2.21 x 1.3558	3.00 J	3 Joules
Bosch 11255VSR	2.0 feet/pounds	2.0 x 1.3558	2.71 J	not stated

The three listings that state both figures agree with the formula to within rounding, so their joule figures are internally consistent. The Bosch listing states no joule figure, so the 2.71 J result is our conversion, not its claim.

The rotary hammers, one by one

Each section gives the listing’s own description, its stated specs, when the hammer fits, when to skip it, and the limit the listing leaves open.

Seesii 1-inch cordless rotary hammer, brushless

The listing describes a battery-powered 18V SDS-Plus hammer with a brushless motor. It states 2.8 joules at up to 5000 BPM, drilling capacity of 1 inch in concrete, and four modes, including chisel mode for tile removal. The kit includes two 4.0Ah batteries and a charger.

Power: battery powered, 18 volts (overview)
Impact energy: 2.8 Joules (the listing says)
Rate: up to 5000 BPM (the listing says)
Drilling capacity: concrete 1 inch (26 mm); wood 1-3/16 inch (30 mm); metal 1/2 inch (13 mm) (the listing says)
Batteries: two 4.0Ah (the listing says)

Pick it if you need to drill away from an outlet and your bits are SDS-Plus. Skip it if you need a weight figure, because the listing states none. The limit: the listing says it is compatible with Ma-kita batteries. We did not verify that claim, so check it before you rely on it.

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Seesii 9 Amp corded SDS-Plus rotary hammer

The listing describes a corded SDS-Plus hammer with an 850W motor and up to 3 joules of impact energy. It states 1300 RPM and 5500 BPM, a 6.83 lb weight, a safety clutch and a lock-on button, and gives a 2-year warranty.

Impact energy: up to 3J (the listing says)
Rate: 1300 RPM; 5500 BPM (the listing says)
Weight: 6.83 lb (the listing says)
Capacity: concrete 1-1/32 inch; wood 1-3/16 inch; metal 1/2 inch (the listing says)
Included: drill bits, 2 chisels, depth gauge, 2 carbon brushes, storage case (the listing says)

Pick it if you want the lightest stated weight here and a 2-year warranty. Skip it if you need more than 3J, because the Seesii 13 Amp and DongCheng listings state more. The limit: the listing describes the hammer for home remodeling and anchor installation, not for heavy demolition.

Berserker 42M SDS-Max heavy-duty rotary hammer

The listing describes a 1,600W corded SDS-Max hammer. It states 0-630 RPM, 0-3,800 BPM and 7.38 ft.lbs. (10 joules) of impact energy, a six-speed transmission and an overload clutch. It says the BSK-42M weighs 16 lbs and that it does not have a drill-only function.

Motor: 1,600 Watts, 13 amp (the listing says)
Impact energy: 7.38 ft.lbs. (10 Joules) (the listing says)
Bit system: SDS-Max (the listing says)
Weight: 16 lbs (the listing says)
Warranty: 24 months warranty service (the listing says)

Pick it if you need the highest impact energy in this set and your bits are SDS-Max. Skip it if you need a drill-only tool, because the listing says it does not have one. The limit: the listing asks the buyer to check the drill-only point before ordering, and it names SDS-Max bits, which SDS-Plus bits will not fit.

Seesii 13 Amp SDS-Plus rotary hammer

The listing describes a corded hammer with a 1500W copper motor, 6J impact energy and 4000 BPM, with four functions and six speeds. It gives maximum drilling sizes of 1.26 inches in concrete, 1.57 inches in wood and 0.51 inch in metal. The kit includes 3 bits, 2 chisels, an auxiliary handle, a depth gauge, a dust cap and a spare carbon brush.

Impact energy: 6J (the listing says)
Rate: 4000 BPM (the listing says)
Drilling capacity: concrete 1.26 in; wood 1.57 in; metal 0.51 in (the listing says)
Functions: hammer drill, drill, chisel, chisel alignment (the listing says)
Included: 3 drill bits (8/10/12mm), 2 chisels, auxiliary handle, depth gauge, dust cap, grease, spare carbon brush, wrench, manual, case (the listing says)

Pick it if you want the highest stated SDS-Plus energy in this set on a cord. Skip it if you need a weight figure, because the listing does not state one. The limit: the overview field reads 18 volts for a corded tool, which conflicts with the corded listing, so this post does not use the voltage field.

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DESHUO 1-inch lightweight rotary hammer

The listing describes a corded 9 amp SDS-Plus hammer weighing 7.19 lbs. It states 0-1,100 RPM and 0-5,300 BPM, 2.21 ft.lbs. (3 joules) of impact energy, and four modes. The listing says the hammer works only with SDS-Plus bits and is not suitable for heavy-duty demolition, and it gives 24 months warranty service.

Motor: 9 AMP (the listing says)
Impact energy: 2.21 ft.lbs. (3 Joules) (the listing says)
Rate: 0-5,300 BPM (the listing says)
Weight: 7.19 lbs (the listing says)
Modes: rotary hammer, rotary only, hammer only, chisel adjustment (the listing says)

Pick it if you work overhead or downward and want a light SDS-Plus hammer for tile removal and masonry. Skip it if you need heavy demolition, which the listing rules out. The limit: the listing gives no included parts, so the kit is not known from the listing.

Bosch 11255VSR Bulldog Xtreme SDS-Plus rotary hammer

The listing describes a corded Bosch hammer with three modes, a reverse trigger, a D-handle and 36 chisel positions. It gives 0-1,300 RPM and 0-5,800 BPM and 2.0 feet/pounds of impact energy. The kit includes an auxiliary handle, a depth gauge and a carrying case.

Rate: 0-1,300 RPM; 0-5,800 BPM (the listing says)
Impact energy: 2.0 feet/pounds (the listing says)
Chisel positions: 36 (the listing says)
Max chuck size: 13 millimeters (overview)
Included: auxiliary handle, depth gauge, carrying case (the listing says)

Pick it if you want a Bosch-branded corded SDS-Plus hammer with a reverse trigger. Skip it if you need a stated joule figure, because the listing gives foot-pounds only. The limit: the amp rating differs across the title, overview and bullets, so the figure is not settled by the listing.

DongCheng 1-1/8-inch SDS-Plus rotary hammer

The listing describes a corded 9.2A hammer that delivers 3.6 joules at 5,000 BPM. It says a built-in mechanical safety clutch disengages the drive when the bit binds, and it names tile removal and drilling anchor holes among its uses. The kit includes three bits, two chisels, carbon brushes, grease and a case.

Motor: 9.2A (1100W) (the listing says)
Impact energy: 3.6J (the listing says)
Rate: 5,000 BPM (the listing says)
Modes: rotary hammer and hammer only (the listing says)
Included: 1-1/8 in hammer, 3 SDS-Plus bits, 2 chisels, carbon brushes, grease, storage case (the listing says)

Pick it if you want a full kit with a safety clutch and replacement carbon brushes. Skip it if you need a weight, since the listing gives none. The limit: the listing gives 3.6J, below the Berserker 26FA’s stated 4.5 joules.

Berserker 26FA 1-1/8-inch SDS-Plus rotary hammer

The listing describes a corded 9-amp hammer that weighs 9.5 pounds. It states 1,050 RPM and 4,200 BPM and 3.3 ft.lbs. (4.5 joules) of impact energy, and three modes. It says the hammer is for lightweight construction or renovation and not heavy demolition, and that it gives 24 months warranty service.

Motor: 1,050 Watts, 9 AMP (the listing says)
Impact energy: 3.3 ft.lbs. (4.5 Joules) (the listing says)
Rate: 1,050 RPM; 4,200 BPM (the listing says)
Weight: 9.5 pounds (the listing says)
Max drilling diameter: concrete 1-1/8 inch; metal 1/2 inch; wood 1-1/4 inch (the listing says)

Pick it if you want 4.5 joules on an SDS-Plus bit system for renovation work. Skip it if you need demolition, which the listing rules out. The limit: the listing says the hammer takes SDS-Plus bits only, and it adds a 360-degree adjustable accessory handle.

DEWALT D25263K SDS rotary hammer

The listing describes a corded DEWALT hammer with an 8.5 amp motor and 3.0 joules of impact energy. It says active vibration control reduces the vibration felt at the handles and that an integral clutch reduces sudden torque when a bit jams. It is compatible with the D25301D drilling dust extraction system and carries 2 years of free service.

Motor: 8.5 amp (the listing says)
Impact energy: 3.0 joules (the listing says)
Speed: 1150 rpm (overview)
Service: 2 Year Free Service (the listing says)
Dust extraction: compatible with the D25301D system (the listing says)

Pick it if you want a DEWALT-branded corded SDS hammer that works with a dust extraction system. Skip it if you need a weight or an included-parts list, because the listing gives neither. The limit: the listing is short, and it does not state a rate in BPM.

VEVOR 1-1/8-inch SDS-Plus rotary hammer

The listing describes a corded hammer with 3.2 joules of impact energy and 820W of load power. It states 1100 RPM and 5000 BPM and four working modes. The side handle rotates 360 degrees, and the listing says reinforced vents and internal damping help heat and vibration.

Impact energy: 3.2J (the listing says)
Load power: 820W (the listing says)
Rate: 1100 RPM; 5000 BPM (the listing says)
Modes: drilling, hammer drilling, chiseling, chisel position adjustment (the listing says)
Included: 3 drill bits, flat chisel, pointed chisel, carrying case (title)

Pick it if you want a corded SDS-Plus hammer with a case and a 360-degree handle for tight spaces. Skip it if you need a weight or a warranty figure, because the listing states neither. The limit: the listing names metal and wood in its bullets, but it does not say how far those materials can be drilled.

How we chose

We searched Amazon for best rotary hammer on 2026-10-22 and read ten rotary hammers. We kept SDS-Plus and SDS-Max hammers and left out an air hammer, a demolition jack hammer and a set of concrete drill bits, because they are different products. The order of the product sections follows the order in which we read the listings. It is not a ranking, and we did not score the hammers.

What we could not verify

The listings do not say how any of these hammers drills a specific concrete or masonry surface, how long a bit lasts, or how much vibration the user feels in use. We can confirm only what the listings state. The conversion table above checks the listings’ own figures, and it does not show how the hammers perform. The Seesii cordless listing says it works with Ma-kita batteries, and we did not verify that.

What the sources do not say

Six of the ten listings state no weight: the Seesii cordless, Seesii 13 Amp, Bosch, DongCheng, DEWALT and VEVOR listings.
The Seesii 13 Amp overview field reads 18 volts for a corded tool, and the Bosch amp rating differs between its title, overview and bullets.
No listing states a rate in joules for the Bosch hammer, and only the Berserker and DESHUO listings state both foot-pounds and joules.
The listings do not compare cordless and corded hammers for the same job.

Buying checklist

Check your bit system first. The Berserker 42M is SDS-Max; the other listings are SDS-Plus or SDS-type hammers, and the DESHUO and Berserker 26FA listings say they take SDS-Plus bits only.
Decide on a cord. The Seesii cordless is the only battery model here; the other nine are corded.
Check the weight if you drill overhead. The stated weights run from 6.83 lb on the Seesii 9 Amp to 16 lbs on the Berserker 42M.
Check the warranty. The Berserker, DESHUO and Berserker 26FA listings state 24 months, the Seesii 9 Amp states 2 years, and the DEWALT states 2 Year Free Service.
Check the bits and case. The DongCheng and Seesii 13 Amp listings state the most included parts.

Mistakes to avoid

Buying the Berserker 42M for SDS-Plus bits. The listing names the SDS-max bit system.
Expecting drill-only use from the Berserker 42M. The listing says it does not have a drill-only function.
Using the Seesii 13 Amp voltage field for a corded tool. The field reads 18 volts, which does not match the corded listing.
Using one Bosch amp figure. The title, overview and bullets give 8 amp, 7.08 A and 7.5 amp.

FAQ

What is the difference between SDS-Plus and SDS-Max?

The Berserker 42M listing names the SDS-max bit system, and the other listings name SDS-Plus, or describe an SDS hammer. Check the shank on your bits before you buy, because the DESHUO and Berserker 26FA listings say they work only with SDS-Plus bits.

Is a cordless rotary hammer as strong as a corded one?

The sources do not compare them for the same job. The one cordless listing states 2.8 joules, and the corded SDS-Plus listings state from 3 to 6 joules. The Berserker 42M, an SDS-Max corded model, states 10 joules.

How do I convert foot-pounds to joules?

Multiply foot-pounds by 1.3558. For the Berserker 26FA, 3.3 ft.lbs. gives 4.47 joules, which matches its stated 4.5 joules. The same formula gives 3.00 joules for the DESHUO’s 2.21 ft.lbs., which matches its stated 3 joules.

Does the Seesii cordless hammer take Makita batteries?

The listing says it is compatible with Ma-kita batteries. We did not verify that, so check the battery’s voltage and fit with the seller before you buy.

Which rotary hammers state a warranty?

The Seesii 9 Amp lists a 2-year warranty, the DEWALT lists 2 Year Free Service, and the Berserker 42M, Berserker 26FA and DESHUO list 24 months. The Seesii cordless lists 24 months of technical support, which is not a warranty.

Can these hammers be used for demolition?

Only the Berserker 42M is described for demolition, and its listing names renovation or demolition projects. The DESHUO and Berserker 26FA listings say their hammers are not suited to heavy demolition, so check the listing before you choose one for that job.

For a battery platform question, see our guide to batteries for a DEWALT leaf blower. For voltage and amp-hour terms, see our guide to lawn mower battery voltage and amps.

Bottom line

Match the bit system to the job first. For SDS-Plus bits, the Seesii 13 Amp listing states the highest impact energy, 6J, and for cordless use the Seesii 1-inch is the only option in this set.

Sources

Seesii 1-Inch Cordless SDS-Plus Rotary Hammer Drill, 2.8J, Brushless Motor (opened 2026-10-22) https://www.amazon.com/dp/B0G4W971BT
Seesii 9 Amp SDS-Plus Lightweight Rotary Hammer Drill for Concrete, Masonry (opened 2026-10-22) https://www.amazon.com/dp/B0H3P8L8WD
Berserker 1-9/16″ SDS-Max Heavy Duty Rotary Hammer Drill for Concrete 42M (opened 2026-10-22) https://www.amazon.com/dp/B08R782HQP
Seesii 13 Amp SDS-Plus Rotary Hammer Drill for Concrete, 6J, 4 Functions (opened 2026-10-22) https://www.amazon.com/dp/B0FFMXBKDQ
1″ SDS-Plus Lightweight Rotary Hammer Drill for Concrete/Masonry (opened 2026-10-22) https://www.amazon.com/dp/B0F6CK5VC5
BOSCH 11255VSR Bulldog Xtreme SDS-Plus Rotary Hammer (opened 2026-10-22) https://www.amazon.com/dp/B000BB79Q6
DongCheng 1-1/8 Inch SDS-Plus Rotary Hammer, 9.2A Motor, 3.6J Impact Energy, 5,000 BPM (opened 2026-10-22) https://www.amazon.com/dp/B0BG54HMS9
Berserker 1-1/8″ SDS-Plus Rotary Hammer Drill for Concrete 26FA (opened 2026-10-22) https://www.amazon.com/dp/B08QRXN5JZ
DEWALT SDS Rotary Hammer Drill, Vibration Control Shocks, 115 Volts, Corded (D25263K) (opened 2026-10-22) https://www.amazon.com/dp/B00VNBV2F2
VEVOR Rotary Hammer Drill, 1-1/8 in SDS-Plus Electric Corded Heavy Duty Rotary Hammer (opened 2026-10-22) https://www.amazon.com/dp/B0GHMQVDW6