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 9 offers
The lowest price for DeWalt 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) right now is $59.00 at Cash Converters, compared across 5 retailers.
The all-time low was $49.00 on 16 Aug 2026 — today's price is 20% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 4 Sept 2026.
Last updated at 04/09/2026 04:32:49
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
Delivery $22
Dewalt Dcf840 Impact Driver
Delivery $17.75
Dewalt Dcf840 18V Xr Brushless Cordless Impact Driver Impact Driver
Delivery $15
DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850/lb 3250RPM
Delivery between 8–12 Sept $35.88
DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)
Delivery between 8–12 Sept $35.88
DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)
Delivery between 10–13 Sept $29
Dewalt 18v Xr Brushless Impact Driver - Bare Unit Dcf840n-xj
Free delivery
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 DCF840N Impact Driver Compact Brushless 18V DCF840
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!
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
Delivery $22
Dewalt Dcf840 Impact Driver
Delivery $17.75
Dewalt Dcf840 18V Xr Brushless Cordless Impact Driver Impact Driver
Delivery $15
DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850/lb 3250RPM
Delivery between 8–12 Sept $35.88
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 |
