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The DEWALT ATOMIC DCH172B is a compact 20V MAX brushless SDS Plus rotary hammer with 1.4 J impact energy for fast concrete drilling in tight spaces.
Categories : tools
SKU : WOR-TOO-271
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The DEWALT ATOMIC DCH172B 20V MAX Brushless SDS Plus Rotary Hammer is built for tradesmen who need to work fast in confined areas. Weighing around 4 lb, this tool-only rotary hammer gives you the power of a 1.4 J impact mechanism while staying light enough for overhead drilling and one-handed control. Its brushless motor and German-engineered mechanism increase runtime and durability on the jobsite.
The DCH172B is ideal for rod hanging, concrete forming, cable tray and strut mounting, clip and bracket installation, and railing work. Its mode selector lets you switch between rotary hammer and drill modes, so it adapts to your task quickly.
For dust control, the DCH172B can be paired with the DEWALT DWH200D dust shroud and DWH161D1 dust extractor. When assembled correctly, this setup meets OSHA Table 1 compliance for silica dust on many applications.
To install the DWH200D on the DCH172B, align the shroud with the SDS Plus chuck and slide it into place until it clicks. Attach the dust extractor hose, and check that the shroud is securely seated. This keeps the work area cleaner and helps you stay compliant on jobs that require dust management.
SHOCKS active vibration control reduces the vibration felt at the handles, so you can drill longer with less fatigue. Combined with the compact design, this makes the DCH172B a go-to tool for metal and masonry jobs where space is limited.
Brushless motor: Runs longer per battery charge with less maintenance.
1.4 J impact energy: Drills concrete and masonry fast.
Lightweight and compact: Around 4 lb for tight spots and overhead work.
SHOCKS vibration control: Reduces hand and arm fatigue.
Tool-only design: Pairs with any 20V MAX battery you already own.
Model: DCH172B
Weight: 4 lb (1.8 kg)
Chuck Type: SDS Plus
Power Source: 20V MAX battery (tool only)
Product Type: 20V MAX Brushless SDS Plus Rotary Hammer
Impact Energy: 1.4 J
No Load Speed: 0-1060 RPM
Blows per Minute: 0-4980 BPM
Vibration Control: SHOCKS
Seller: Workbench World
MPN: DCH172B
Pairing the DCH172B with a dust extraction setup helps meet OSHA Table 1 requirements and keeps silica dust out of your breathing zone.
Align the shroud over the SDS Plus chuck and push until it locks. Attach the DWH161D1 dust extractor hose, and verify the seal before drilling.
No, this is tool-only. It's compatible with DEWALT 20V MAX batteries and chargers.
Yes, the mode selector lets you switch to drill mode for wood, metal, or tile. Use hammer mode for concrete and masonry.
When used with the DWH200D shroud and DWH161D1 extractor, the assembly meets OSHA Table 1 for silica dust in many applications. Always follow local regulations.
Packs a punch. Love it.
This rotary hammer drills through concrete easily. The size is perfect for tight spaces. It's a great addition to my kit.
I've used rotary hammers for years, and this cordless one is very handy. It drills through block and brick without much effort. The brushless motor gives plenty of power. However, the battery drains quickly when drilling larger holes. I found myself reaching for a spare battery often. Still, the compact design makes it easy to work in corners. It's a good tool but be prepared with extra batteries.
Drilled 30 holes in my wall for a pipe. No problem. Great tool.
I was skeptical about a cordless rotary hammer, but this thing is impressive. It handled drilling into reinforced concrete with ease. The compact size allowed me to work in tight spaces like the corner of a basement. The vibration is not too bad, though you'll want a good grip. It came with a depth stop and dust cup, which is useful. The battery life is acceptable for moderate work. I'd recommend it to any tradesman.
Works good. No complaints.
This is very handy for small jobs around the house. It's lightweight and easy to control. I like it.
This rotary hammer is a monster. It drilled through my concrete wall like it was butter. The size is perfect for working in tight spots. It does eat batteries pretty fast, but I have a few. The LED light helps when working in dark areas. The speed control is smooth. Definitely worth the money.
It works fine for occasional drilling, but it struggled with a 1/2 inch hole in concrete. Also, the battery didn't last very long. For light duty, it's fine.
