DeWALT ATOMIC 20V MAX Cordless Brushless 5/8 in. SDS Plus Rotary Hammer Drill (Bare Tool) is a compact, high-performance rotary hammer engineered for professionals who need powerful concrete drilling in confined or overhead spaces. Driven by a brushless motor paired with a durable German-engineered mechanism, this cordless SDS+ hammer drill delivers 1.4 joules of impact energy - giving users fast, consistent performance in concrete without the constraints of a power cord. Lightweight and ergonomically balanced, the DCH172B is purpose-built for rod hanging, concrete forming, cable tray and strut mounting, clip and bracket mounting, and railing mounting. Battery and charger are sold separately.

Key Features

• 1.4 joules of impact energy - delivers fast, aggressive drilling in concrete so jobs get done with fewer passes and less fatigue
• Brushless motor and German-engineered mechanism - maximizes runtime per charge and extends tool life, reducing downtime and maintenance costs on the job
• Lightweight, ultra-compact design - fits into tight spaces where larger rotary hammers cannot reach, making it ideal for rod hanging, concrete forming, cable tray and strut mounting, clip and bracket mounting, and railing mounting
• SHOCKS Active Vibration Control System - reduces vibration felt by the user at the handles compared to rotary hammers without this feature, lowering operator fatigue during extended use
• Mode selector switch - allows quick switching between drill and hammer drill applications without changing tools, improving workflow efficiency
• OSHA Table 1 compliant - when paired with the DWH200D shroud and DWH161D1 dust extractor (sold separately), helping crews meet regulatory dust control requirements on concrete drilling tasks
• Variable speed trigger and reversible operation - gives users precise control over drilling speed and direction for a wider range of concrete anchoring and fastening applications
• 5/8 in. SDS Plus chuck with optimum drilling range of 5/32 - 1/2 in. - accepts standard SDS+ bits for concrete, masonry, and rock, with up to 4,980 blows per minute at a maximum speed of 1,060 RPM
• D-Ring handle with 360 deg. adjustable side handle included - provides secure two-handed control and allows the user to position the grip for comfortable drilling at any angle
• 20V MAX Lithium Ion battery compatibility - works with the broad DeWALT 20V MAX battery platform so users can share batteries across multiple tools (battery sold separately)

Why This Product

• Built for tight-space concrete work - the ultra-compact body and lightweight construction let installers drill in areas where full-size SDS+ rotary hammers simply will not fit, making this the practical choice for strut mounting, cable tray work, and overhead concrete forming
• Cordless freedom with professional-grade impact energy - at 1.4 joules and up to 4,980 blows per minute, this tool matches many corded compact rotary hammers in concrete drilling performance while eliminating cord management on the job site
• Reduced operator fatigue on repetitive tasks - the SHOCKS Active Vibration Control System and lightweight body work together to lower physical strain during high-volume drilling applications like railing mounting and anchor installation
• Dust management ready for regulated job sites - OSHA Table 1 compliant capability (when paired with the DWH200D shroud and DWH161D1 dust extractor, sold separately) means this drill can be deployed on job sites with strict silica dust control requirements without requiring a separate tool

Specifications

• Brand: DeWALT
• Model Number: DCH172B
• Product Type: Rotary Hammer Drill
• Power Source: Electric - Cordless
• Voltage: 20 V
• Battery Type: 20V MAX Lithium Ion
• Bare Tool: Yes (battery and charger sold separately)
• Engine Type: Brushless
• Chuck Size: 5/8 in.
• Chuck Type: SDS Plus
• Drive Size: 5/8 in.
• Maximum Speed: 1,060 RPM
• Impacts Per Minute: 4,980
• Impact Energy: 1.4 joules
• Optimum Drilling Range: 5/32 - 1/2 in.
• Variable Speed: Yes
• Reversible: Yes
• Handle Type: D-Ring
• Handle Material: Plastic
• Housing Material: Plastic
• Integrated Work Light: Not Featured
• Case Included: No
• Product Length: 11.500 in.
• Product Width: 8.543 in.
• Product Height: 4.000 in.
• Product Weight: 4.608 lb.
• Country of Origin: China
• Warranty: 3LW1YS90D

Approved Applications

• Rod hanging in concrete ceilings and walls
• Concrete forming anchor installation
• Cable tray and strut mounting
• Clip and bracket mounting into concrete and masonry
• Railing mounting into concrete surfaces
• General SDS Plus bit drilling in concrete and masonry (5/32 - 1/2 in. optimum range)

What's Included

• 1x DCH172 Rotary Hammer
• 1x 360 deg. Side Handle
• 1x Depth Rod
• 1x Belt Hook

Frequently Asked Questions

Does this rotary hammer come with a battery and charger?

No. The DCH172B is a bare tool - the 20V MAX Lithium Ion battery and charger are sold separately. It is compatible with the DeWALT 20V MAX battery platform.

Is this rotary hammer OSHA Table 1 compliant for silica dust control?

Yes, the DCH172B is OSHA Table 1 compliant when paired with the DWH200D shroud and DWH161D1 dust extractor, which are sold separately. This allows the tool to be used on job sites with regulated silica dust exposure requirements.

What is the optimum bit size range for this SDS Plus rotary hammer?

The optimum drilling range for the DCH172B is 5/32 - 1/2 in. using standard SDS Plus bits. The chuck is a keyless 5/8 in. SDS Plus design for quick, tool-free bit changes.

Can this rotary hammer switch between drilling and hammer drilling?

Yes. The DCH172B features a mode selector switch that allows the user to quickly switch between drill mode and hammer drill mode, making it versatile for a range of concrete anchoring and fastening applications without swapping tools.