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DEWALT

DEWALT 20V MAX 1/4 Inch Hydraulic Impact Driver,Quiet, Brushless Cordless XR Extreme Runtime, LED Halo Ring, Tool Only (DCF870B)

  • Based on 411 reviews
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Availability: Only 8 left in stock, order soon!
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Arrives Saturday, Feb 7
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Features

  • Our quietest impact driver: Reduce noise disturbances with up to 57% quieter** operation
  • Up to 40% faster driving*** - drive large screws quickly and finish jobs fast
  • Advanced engineering - provides consistent performance in demanding applications and performs in cold temperatures
  • Designed for tight spaces - complete framing, cabinetry, and other applications in tight areas with an ergonomic design
  • Up to 6X brighter* - help illuminate work areas with 9 LEDs featuring a 20 minute work light mode
  • Part of our best performing line of 20V MAX* power tools innovative power tools designed to deliver certainty for the worlds toughest pros. Includes belt hook
  • Industry's highest rated max torque hydraulic impact driver
  • Speed 1 and 2 are optimized to match the installation speeds
  • 3 Year Limited Warranty

Description

Complete framing, cabinetry, and other applications in tight areas with the 20V MAX XR® Brushless Cordless 1/4 in. Featuring an advanced hydraulic mechanism, this impact driver delivers consistent performance for demanding applications in tough conditions. Battery & Charger Sold Separately RMS sound pressure difference vs. DCF787 impact driver with 3” deck screw into PT 4x4 using DCBP034 (sold separately) vs DCF787 with 3" x 3/8" lag bolt into PT 4x4 using DCBP034 (sold separately) vs. DCF787 impact driver †Based on rated max torque published by pro-grade power tool manufacturers for 12V and 18V cordless hydraulic impact drivers. ††3” x 3/8” lag bolt into PT 4x4 using DCBP034 (sold separately) vs. Milwaukee® 2760 using 48-11-1820. (Milwaukee® is a registered trademark of Milwaukee Electric Tool Corp., which has not endorsed or approved this comparison.)

Brand: DEWALT


Power Source: Battery Powered


Maximum Rotational Speed: 3000 RPM


Voltage: 20 Volts


Amperage: 5 Amps


Brand: ‎DEWALT


Power Source: ‎Battery Powered


Maximum Rotational Speed: ‎3000 RPM


Voltage: ‎20 Volts


Amperage: ‎5 Amps


Maximum Chuck Size: ‎0.25 Inches


Color: ‎Black, Yellow


Included Components: ‎(1) DCF870 XR® 1/4" Quiet Hydraulic Impact Driver; (1) Belt Hook


Special Feature: ‎Variable Speed, Portable


Product Dimensions: ‎4.6"L x 3.4"W x 8.23"H


Material: ‎Blend, Metal


Maximum Torque: ‎500 Inch Pounds


Number of Speeds: ‎2


Item Weight: ‎2.6 Pounds


Item Torque: ‎500 Inch Pounds


EU Spare Part Availability Duration: ‎3 Years


Drill Type: ‎Impact Driver


Is Electric: ‎Yes


UPC: ‎885911893015


Manufacturer: ‎DEWALT


Drilling Capacity Metal: ‎0.25 Inches


Part Number: ‎DCF870B


Item Weight: ‎2.56 pounds


Item model number: ‎DCF870B


Size: ‎One Size


Style: ‎Classic


Finish: ‎Brushed


Pattern: ‎Solid


Shape: ‎Rectangular


Item Package Quantity: ‎1


Special Features: ‎Variable Speed, Portable


Batteries Included?: ‎No


Batteries Required?: ‎Yes


Warranty Description: ‎Manufacturer Warranty


Date First Available: December 20, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Feb 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Excellent
Love it. I'm finally migrating from my first generation 20v brushed motor DeWalt impact. I expected it to be less powerful, and somewhat less intuitive. I was totally wrong. The torque multiplication is fantastic, just as good if not BETTER than my old unit (I can't say how it is relatively with the other brushless units, but it's probably a little bit lower performance. Three phase brushless systems are superior in every way you can slice it). It's very quiet, I mean probably less than half the decibels of my original. I set some of the iron works bolts that support my first floor to test; the tool itself makes so little noise it's amazing. The only thing that stood out, noise wise, was the actual impact cycles resonating with the steel beams. My 5 year old was sleeping directly above, and he didn't wake up for any of the eight large fasteners. The speed setting is awesome, but it's not just speed, the torque output is higher on speed two for sure, and I do not mean it makes more impact cycles per second (though it does), the actual torque is significantly higher. The speed setting should not be used as a drive restrictor, even though it probably could be with some practice (ballpark, thumb at arms length with one eye closed type of accuracy). I don't think the few mentions of non intuitive feel are fair or even accurate. Fire off one high friction screw into two pieces of pine, and consider your meatware calibrated. It weighs a lot.... A good deal more than my first gen unit. I'll put it this way, I put one of my 60v flex batteries on, and it was almost balanced just right. Price point is.... Eh. Could be better, but honestly, you get what you pay for. Hydraulic cavitation feels very nice, almost unnatural, but very very satisfying. Overall power is in range of expectations for the class for sure. I'm keeping my first gen for dum dum work, this unit is going to my workshop floor to use with electronics and other sensitive equipment. I frequently use a step down converter to use 5/32 bits with specialty types (no, I don't crank anything down with this, but I sure do break old fasteners free at full force!). The 20m work light is brilliant. Not that I don't already have an entire Division of purpose built lighting... This is just convenient when I don't want to drag another tool out for something quick or unforeseen. Battery consumption is very efficient due to the the phase solid state driven motors. I build these systems at the component level, I know them very well, you can't beat the efficiency and the power at such precision. This is a tank just like most of my DeWalt tools. I seriously doubt I'll be able to break it. You'd have to be a real a***hole to break one of these. I expect it to last indefinitely. I'm not 100% on how the hydraulic housing is configured, and if it will leak in 15 years or something, but I expect it was designed appropriately. Recommended, 10/10 ....and as a very picky engineer, I don't give anything full marks. ... show more
Reviewed in the United States on November 24, 2025 by deliah
    • A must have
This impact driver is amazing. So much quieter then all others and has light impacts if needed. I have now bought 2 of these I love it so much. I use them daily. They are very well built like all dewalt tools are and so worth the money. I can't really say if the battery lasts any longer with these versus a standard impact driver. ... show more
Reviewed in the United States on January 23, 2026 by dr good wood
    • Nice compact impact driver
Nice driver, bought as tool only. It's compact , quiet operating, and powerful. Should be very useful for anything needing screwed fastening. It does not have an adjustable torque setting like many hammer drills, but not a problem for most construction tasks.
Reviewed in the United States on November 15, 2025 by Art in VT
    • So much more quiet
My coworker used his regular dewalt impact next to me the other day and holy cow that thing is loud. I’ve forgotten how loud my old one was. We service/install automatic and manual pedestrian doors. We are in all types of medical facilities about 75% the time and the patients and staff don’t want to be hearing that kinda noise. This dewalt hydraulic impact is SO MUCH more quiet and more powerful. No issues so far. I’ve had it now for about 6 months and use it at least 5 days a week the whole time at work. ... show more
Reviewed in the United States on December 25, 2025 by JP
    • Can you hear me now?
Review Image by DeusEx DeusEx
The media could not be loaded. Quiet and powerful. For those that are Delwalt users, this is driver to get. To be fair, here at the end of 2025, the DCF860 is still the king of the driver's, but the DCF870 gets it done. I will take a little less power for the much lower volume when drivinf fasteners. I ran 2-1/2" #9 deck screws in and had to watch that i wasn't overdriving them. I stepped up to the 5-1/8" and its dropped them like a rock. The grip is comfortable as most Dewalts are today. No Hotspots with barehands. It feels solid but I haven't dropped it out of 2nd story window. The compact head will be great for working between studs. But the headline is how quiet it is. With predrilled holes i didnt even hear impacting until I got to the bigger fasteners. Granted this was all white pine. But when driving the aforementioned 5" mini lags, it was quieter than my 12V driving 2" #8's. When i put up plywood sheeting in my garage, everyone for half a block knew it using my old 887. If I'd have had the 870, no one would've had a clue. Its unquestionably by favorite impact these days. Now Dewalt how bout a fluid impact in a lower power form factor for furniture, trim work, and the like. ... show more
Reviewed in the United States on October 22, 2025 by DeusEx DeusEx
    • The best impact driver I have owned
I have five other older dewalt impact drivers that I need to wear hearing protection when I use them. This one is far more powerful and super quiet in comparison. The best driver I have ever owned. A must have. I purchased a second one as soon as I used this driver for the first time. On the high power setting (2) you have to be careful or you will shear the head off the screw if you hold the power too long. Super happy with the upgraded unit. The older drives are going out to the street in front of my "Free" sign. ... show more
Reviewed in the United States on October 20, 2025 by Bob C
    • It's all that
Fast, powerful and quiet. What more is there to say? Worth every penny
Reviewed in the United States on December 14, 2025 by Lara Services LLC

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