DeWalt 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)
Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces.
Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces.
Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces.
Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces.
in 19 offers
The lowest price for DeWalt 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) right now is $49.00 at cashsavvyaus, compared across 12 retailers.
The all-time low was $49.00 on 16 Aug 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 24 Sept 2026.
Last updated at 24/09/2026 17:15:34
Dewalt 18V Brushless Impact Driver 1/4 Inch Hex DCF840 (Tool Skin only, battery and charger are not included)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
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originally posted on federatedtool.com/
DEWALT DCF840B - 20V MAX LI-ION 1/4" IMPACT DRIVER - TOOL ONLY
originally posted on federatedtool.com/
Out of all dewalts shitty impact drivers this one is probably the best, still better than the new dcf845
| Power source | Battery Powered |
| Maximum rotational speed | 3200 RPM |
| Voltage | 20 |
| Torque | 1700 Inch Pounds |
| Speed | 3200 RPM |
Dewalt 18V Brushless Impact Driver 1/4 Inch Hex DCF840 (Tool Skin only, battery and charger are not included)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
DEWALT DCF840 Impact Driver (WR 1412890)
Delivery $20
Dewalt Dcf840 Impact Driver
Delivery $22
Dewalt Dcf840 Impact Driver
Delivery $16.50
Dewalt Dcf840 Impact Driver
Delivery $22
DEWALT DCF840B - 20V MAX LI-ION 1/4" IMPACT DRIVER - TOOL ONLY
Out of all dewalts shitty impact drivers this one is probably the best, still better than the new dcf845
| Power source | Battery Powered |
| Maximum rotational speed | 3200 RPM |
| Voltage | 20 |
| Torque | 1700 Inch Pounds |
| Speed | 3200 RPM |
