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Cordless rotary hammer drills

(5 products)

The striking power that opens up all substrates. Our DeWalt and Makita cordless hammer drills deliver up to 34,000 BPM in hammer mode to turn concrete, brick, and masonry into precise anchor points without a cord or compressor.

With brushless motors that maintain their power until the last charge, they equip Quebec professionals who drill daily into all types of construction materials.

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Complete guide to choosing your cordless hammer drill

What is a hammer drill and what materials is it designed for?

A hammer drill is a tool that combines the standard rotary action of a drill driver with a mechanical axial striking mechanism that generates 30,000 to 34,000 blows per minute. This rapid axial movement progressively breaks down the hard substrate while the rotation clears debris from the hole, allowing drilling into brick, concrete block, light masonry, and medium-density concrete with an efficiency unattainable by a standard drill.

In standard drill mode (without hammer action activated), these tools operate exactly like a conventional drill driver for wood, metal, and composite materials. Switching between the two modes is generally done via a selector ring or a dedicated position on the mode selector in less than two seconds. This versatility makes it the tool of choice for professionals who alternate between hard substrates and common tasks on the same job site, without wanting to carry two separate tools.

Hammer drill versus rotary hammer: knowing when to switch tools

The distinction between using an impact drill and a rotary hammer is often misunderstood in the field, leading to poor quality drilling and premature tool wear. An impact drill generates its axial motion using a mechanical cam mechanism, producing an impact energy of 0.5 to 0.8 joules.

This energy is sufficient for hollow block concrete, common brick, lightweight concrete, and masonry with a density below 2,000 kg per cubic meter. The maximum recommended diameter remains under 13 mm to preserve the bit and the tool. An SDS-Plus rotary hammer uses an electromechanical mechanism generating 1.5 to 3.0 joules of impact energy, two to five times more than an impact drill.

It is essential for high-strength reinforced concrete, dense foundations, holes larger than 13 mm in diameter, and demolition applications. For structural anchors in foundations or reinforced concrete slabs in Quebec commercial constructions, using an impact drill instead of a rotary hammer risks damaging the tool and producing holes outside the required tolerance.

DeWalt and Makita Models: The Leading Impact Drills for Professionals

Polar Industrial Equipment offers cordless DeWalt and Makita hammer drills, which are the two benchmarks in the Canadian professional market in this category. From DeWalt, the DCD806B 1/2 inch 20V MAX brushless model is the standard for heavy-duty jobsites, with its sustained power thanks to the XR brushless motor.

The DCD996 three-speed 20V MAX model delivers 95 Nm of torque and 34,000 BPM, the highest in the DeWalt 20V range in this category. All these drills are fully compatible with DeWalt 20V MAX and FlexVolt battery systems. On the Makita side, the DHP482Z (62 Nm) and DHP486Z brushless (115 Nm) models cover common applications and heavy-duty use on medium-density concrete, respectively.

XPT technology offers enhanced protection against concrete dust and water splashes, two constant realities of outdoor masonry drilling. Both Makita models are powered by interchangeable 18V LXT batteries, compatible with the entire existing Makita range.

Professional applications: who uses hammer drills and for what jobs?

Cordless hammer drills serve four main professional profiles in Quebec, each with specific application criteria. Commercial and residential electricians are the largest user group.

They drill into concrete blocks for conduit passages, into bricks for outdoor outlet boxes, and into concrete joists for cable supports. The 30,000 BPM hammer mode of DeWalt and Makita drills covers all these applications without requiring a separate rotary hammer.

Plumbers use hammer drills for pipe support anchors in masonry walls and penetrations in lightweight concrete partitions. Tilers and flooring installers drill into concrete substrates for anchor dowels for profiles and trims.

General contractors use them for common concrete block anchors, securing sole plates to slabs, and light structural supports that do not require the power of an SDS rotary hammer.

Safety and best practices for concrete and masonry drilling

Drilling into concrete and masonry generates respirable crystalline silica dust, classified as a Category 1 carcinogen by IARC and subject to strict exposure limits by the CNESST in Quebec. Any drilling operation in these materials requires wearing a minimum P100 or N95 respiratory protection mask, combined with adequate ventilation or a source extraction system on the tool.

Eye protection is also mandatory: projections of concrete and masonry debris can reach speeds of several meters per second during percussion drilling. Sealed safety glasses are the minimum standard required.

For work at height, wearing a hard hat is mandatory on Quebec commercial construction sites. Technically, lubricate concrete drill bits every 5 to 10 perforations when drilling into very hard substrates to reduce friction heat and extend their lifespan.

Polar Industrial Equipment offers all personal protective equipment compliant with CNESST standards to complement any drill purchase.
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We answer your questions about cordless hammer drills

Can a cordless hammer drill replace a rotary hammer for concrete anchoring?

For hollow block concrete, brick and light masonry with drilling diameters under 13 mm, yes. The DeWalt DCD996 with 34,000 blows per minute and the Makita DHP486Z with 31,500 blows per minute cover these applications effectively.

For high-density reinforced concrete, foundation slabs and holes over 13 mm in diameter, an SDS-Plus rotary hammer is required as its impact energy (1.5 to 3.0 joules) far exceeds that of a hammer drill (0.5 to 0.8 joules).

Which hammer drill should I choose between the DeWalt DCD806B and the Makita DHP486Z?

Both models deliver excellent professional quality. The DeWalt DCD806B 20V MAX brushless excels through FlexVolt compatibility and integration into the 20V MAX ecosystem.

The Makita DHP486Z 18V LXT brushless stands out for its slightly higher torque at 115 Nm and XPT technology protecting against dust and moisture.

The best choice depends on the battery inventory you already own DeWalt 20V or Makita LXT as both tools integrate directly into their respective platforms.

How many blows per minute are needed to drill effectively in brick and light concrete?

For standard brick and hollow block concrete, 25,000 to 30,000 blows per minute are sufficient for effective drilling up to 10 mm in diameter.

For medium-density concrete and lightly reinforced substrates, target 30,000 to 34,000 blows per minute, the range delivered by the DeWalt DCD996 and Makita DHP486Z models available at Polar Industrial Equipment.

Is a cordless hammer drill as powerful as a corded model?

For common applications under 13 mm in brick and light concrete, modern brushless cordless hammer drills are equivalent to or superior to entry-level corded models.

The only limitation of a cordless model is battery runtime during very intensive and prolonged drilling sessions in dense concrete, where a corded drill retains an advantage through unlimited continuous power supply.

What personal protective equipment is mandatory for drilling in concrete and masonry?

The CNESST in Quebec mandates the wearing of a minimum P100 respiratory protective mask for any exposure to crystalline silica dust generated by drilling in concrete and masonry.

Sealed safety glasses are also mandatory for debris projections. On commercial jobsites, a hard hat is required at all times in overhead drilling areas. Polar Industrial Equipment carries a complete range of PPE compliant with CNESST standards.

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