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DeWalt ATOMIC 20V MAX 1/4-in 3-Speed Brushless Impact Driver (Tool Only) (DCF850B)

Ranked #6 of 60 in Best cordless impact drivers and wrenches, ranked on official maker specs. Here is every spec we scored, where it came from, and how it compares.

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D

#6

DeWalt ATOMIC 20V MAX 1/4-in 3-Speed Brushless Impact Driver (Tool Only) (DCF850B)

Best for: Official 20 V, 3250 RPM, 2.4 lb

9.3/10

What we like

Official maker product page lists a no-load speed of 3250 RPM.
Official maker product page lists a brushless motor.
Official maker product page lists a maximum torque of 1825 in-lb.
Official maker product page lists a tool weight of 2.4 lb.

Watch out for

Official figures are for the configuration shown on the official product page, not a test we ran.

Score breakdown

Official no-load speed 30%

Official tool weight 25%

Official voltage 25%

Official brushless motor 20%

Official no-load speed	3250 RPM
Official tool weight	2.4 lb
Official voltage	20 V
Official brushless motor	Yes
Official model number	DCF850B
Official product name	ATOMIC 20V MAX 1/4-in 3-Speed Brushless Impact Driver (Tool Only)
Official voltage	20 V
Official no-load speed	3250 RPM
Official tool weight	2.4 lb
Official brushless motor	Yes
Official max torque	1825 in-lb (official listing: 1,825-in-lbs. of max torque)
Official chuck type	Hex
Official motor type	Brushless
Official configuration	Tool only (battery and charger sold separately, per the official product page).
Price	Check price

Check price at Amazon

Specs source:

Official DeWalt product page (DCF850B)

How it compares

Open the full comparison table

DeWalt ATOMIC 20V MAX 3/8-in Cordless Impact Wrench With Hog Ring Anvil (Tool Only) (DCF923B)

#1 · Official 20 V, 3550 RPM, 2.47 lb

DeWalt 20V MAX XR 3-Speed Impact 1/4-in Driver (Tool Only) (DCF845B)

#2 · Official 20 V, 3400 RPM, 2.35 lb

DeWalt 20V MAX XR Brushless Drywall Screwgun (Tool Only) (DCF630B)

#3 · Official 20 V, 4850 RPM, 2.6 lb

DeWalt 20V MAX XR 1/4-in 3-Speed Brushless High Torque Impact Driver (Tool Only) (DCF860B)

#4 · Official 20 V, 3800 RPM, 2.8 lb

Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20)

#5 · Official 18 V, 3600 RPM, 1.7 lb

Milwaukee M18 1/4" Hex Impact Driver (2850-20)

#7 · Official 18 V, 3400 RPM, 2 lb

Milwaukee M18 Brushless 1/4" Hex 3 Speed Impact Driver Bare Tool (2851-20)

#8 · Official 18 V, 3400 RPM, 2 lb

Milwaukee M18 FUEL ¼” Hex Impact Driver (2953-20)

#9 · Official 18 V, 3900 RPM, 2.2 lb

DeWalt 20V MAX XR Brushless Cordless 1/4-in Quiet Hydraulic Impact Driver (Tool Only) (DCF870B)

#10 · Official 20 V, 3000 RPM, 2.57 lb

DeWalt ATOMIC 20V MAX 1/4-in Brushless Compact Impact Driver (Tool Only) (DCF809B)

#11 · Official 20 V, 2800 RPM, 2.43 lb

DeWalt 20V MAX 3/8-in Cordless Impact Wrench With Hog Ring Anvil (Tool Only) (DCF913B)

#12 · Official 20 V, 2850 RPM, 2.69 lb

Makita 18V LXT Brushless Quick-Shift Mode 3-Speed Impact Driver, Tool Only (XDT14Z)

#13 · Official 18 V, 3600 RPM, 3.3 lb

DeWalt 20V MAX 1/2-in Cordless Impact Wrench With Hog Ring Anvil (Tool Only) (DCF911B)

#14 · Official 20 V, 2800 RPM, 2.69 lb

DeWalt ATOMIC 20V MAX 1/2-in Cordless Impact Wrench With Hog Ring Anvil (Tool Only) (DCF921B)

#15 · Official 20 V, 2800 RPM, 2.76 lb

Makita 18V LXT Brushless Impact Driver, Tool Only (XDT13Z)

#16 · Official 18 V, 3400 RPM, 3.3 lb

DeWalt ATOMIC 20V MAX 1/2-in Cordless Impact Wrench With Detent Pin Anvil (Tool Only) (DCF922B)

#17 · Official 20 V, 2500 RPM, 2.85 lb

DeWalt 20V MAX XR 7/16-in Brushless Cordless Impact Wrench (Tool Only) (DCF937B)

#18 · Official 20 V, 3250 RPM, 5.14 lb

Milwaukee M12 FUEL 1/4" Hex Impact Driver (3453-20)

#19 · Official 12 V, 3600 RPM, 1.6 lb

Milwaukee M18 FUEL with ONE-KEY 1/2" Compact Impact Wrench w/ Pin Detent (2759-20)

#20 · Official 18 V, 2500 RPM, 2.5 lb

Milwaukee M18 FUEL with ONE-KEY 3/8" Compact Impact Wrench w/ Friction Ring (2758-20)

#21 · Official 18 V, 2500 RPM, 2.5 lb

DeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B)

#22 · Official 12 V, 3600 RPM, 2.05 lb

Milwaukee M12 FUEL 3/8" Subcompact Impact Wrench w/ Friction Ring (3049-20)

#23 · Official 12 V, 3400 RPM, 1.6 lb

Milwaukee M18 FUEL 1/2" Compact Impact Wrench w/ Friction Ring (2855-20)

#24 · Official 18 V, 2400 RPM, 2.4 lb

Milwaukee M18 FUEL 1/2" Compact Impact Wrench w/ Friction Ring Kit (2855-22r)

#25 · Official 18 V, 2400 RPM, 2.4 lb

Milwaukee M18 FUEL 3/8" Compact Impact Wrench w/ Friction Ring (2854-20)

#26 · Official 18 V, 2400 RPM, 2.4 lb

Makita 12V max CXT Brushless Impact Driver, Tool Only (DT04Z)

#27 · Official 12 V, 3900 RPM, 2.1 lb

Milwaukee M12 FUEL 1/4" Hex Impact Driver (Tool Only) (2553-20)

#28 · Official 12 V, 3300 RPM, 1.76 lb

Milwaukee M12 FUEL Stubby 1/4" Impact Wrench (2552-20)

#29 · Official 12 V, 3200 RPM, 1.6 lb

Milwaukee M12 Subcompact Brushless 1/4" Hex Impact Driver (3450-20)

#30 · Official 12 V, 3000 RPM, 1.3 lb

DeWalt 20V MAX Cordless 1/4-in Impact Driver (Tool Only) (DCF885B)

#31 · Official 20 V, 2800 RPM, 2.25 lb

Milwaukee M18 FUEL 1/2" Mid-Torque Impact Wrench w/ Friction Ring (2962-20)

#32 · Official 18 V, 2575 RPM, 3.9 lb

Milwaukee M18 FUEL 1/2" Mid-Torque Impact Wrench w/ Friction Ring Kit (2962-22r)

#33 · Official 18 V, 2575 RPM, 3.9 lb

Milwaukee M18 FUEL 3/8" Mid-Torque Impact Wrench w/ Friction Ring (2960-20)

#34 · Official 18 V, 2575 RPM, 3.9 lb

Milwaukee M18 FUEL 3/8" Mid-Torque Impact Wrench w/ Friction Ring (2960-22r)

#35 · Official 18 V, 2575 RPM, 3.9 lb

Milwaukee 3/8" M12 FUEL Stubby Impact Wrench (2562-20)

#36 · Official 12 V, 3000 RPM, 2.2 lb

Milwaukee M18 FUEL 1/2" Controlled Mid-Torque Impact Wrench (3062-20)

#37 · Official 18 V, 2400 RPM, 3.79 lb

Milwaukee M18 FUEL 1/4" Hex Impact Driver Kit (2753-22)

#38 · Official 18 V, 3000 RPM, 2.1 lb

Milwaukee M18 FUEL with ONE-KEY 1/4" Hex Impact Driver Kit (2757-22)

#39 · Official 18 V, 3000 RPM, 2.1 lb

DeWalt 12V MAX 1/4-in Brushless Impact Driver (Tool Only) (DCF801B)

#40 · Official 12 V, 2850 RPM, 2.15 lb

Milwaukee M18 FUEL 1/4" Hex Impact Driver Kit – XC Battery (2653-22)

#41 · Official 18 V, 2900 RPM

Milwaukee M12 FUEL Stubby 1/2" Impact Wrench (2555-20)

#42 · Official 12 V, 2700 RPM, 2 lb

Milwaukee M12 FUEL Stubby 3/8" Impact Wrench (2554-20)

#43 · Official 12 V, 2700 RPM, 2 lb

Milwaukee M12 FUEL 1/2" Right Angle Impact Wrench (2565-20)

#44 · Official 12 V, 3000 RPM, 2.85 lb

Milwaukee M12 FUEL 3/8” Impact Wrench (2454-20)

#45 · Official 12 V, 2650 RPM, 2 lb

Milwaukee M12 FUEL 3/8" Right Angle Impact Wrench w/ Friction Ring (2564-20)

#46 · Official 12 V, 3000 RPM, 2.83 lb

DeWalt 12V MAX Brushless 1/2-in Cordless Impact Wrench (Tool Only) (DCF901B)

#47 · Official 12 V, 2850 RPM, 2.6 lb

Milwaukee 18-volt two speed 1/4" hex impact driver - tool-only (2657-20)

#48 · Official 18 V, 2750 RPM, 2.3 lb

Milwaukee M18 1/4" Hex Impact Driver (2656-20)

#49 · Official 18 V, 2750 RPM, 2.3 lb

Makita 18V LXT Impact Driver, Tool Only (XDT11Z)

#50 · Official 18 V, 2900 RPM, 3.3 lb

DeWalt 12V MAX 3/8-in Brushless Cordless Impact Wrench Kit (DCF903GJ1G1)

#51 · Official 12 V, 2850 RPM, 5.45 lb

Milwaukee 18-volt Cordless two Speed 1/4" Hex Impact Driver - tool only (2658-20)

#52 · Official 18 V, 2450 RPM, 4.1 lb

Milwaukee 18-volt half inch impact wrench with pin detent - tool only (2659-20)

#53 · Official 18 V, 2450 RPM, 4.1 lb

Milwaukee 12-volt 3/8 Inch Impact Wrench (2463-20)

#54 · Official 12 V, 2500 RPM, 1.9 lb

Milwaukee M12 ¼” Hex Impact Driver (Tool Only) (2462-20)

#55 · Official 12 V, 2500 RPM, 1.9 lb

Makita 12V max CXT Impact Driver, Tool Only (DT03Z)

#56 · Official 12 V, 2600 RPM, 2.3 lb

Milwaukee 12-volt ¼” Impact Wrench (2461-20)

#57 · Official 12 V, 2500 RPM, 2.2 lb

Milwaukee 12-volt quarter Inch Impact Wrench Kit (2461-22)

#58 · Official 12 V, 2500 RPM, 2.2 lb

Milwaukee M12 1/4" Hex Right Angle Impact Driver (2467-20)

#59 · Official 12 V, 2450 RPM, 2.2 lb

Milwaukee M12 FUEL 1/4” Impact Wrench Kit (2452-22)

#60 · Official 12 V, 2650 RPM