The impact wrench will offer different modes for torque. Precision mode will offer up to 600 ft. lbs. Low mode will offer up to 100 ft. lbs. Medium mode will offer up to 300 ft. lbs. High mode will offer up to 600 ft. lbs. The maximum break away torque will be 800 ft. lbs.
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DEWALT 20V MAX 1/2in. Mid-Range Impact Wrench, 1/2in. Drive, Model# DCF891B

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- ADAPTABLE FASTENING RANGE: Up to 300 ft-lbs of fastening torque and 450 ft-lbs of breakaway torque
- ENHANCED USER CONTROL in a variety of applications with 4 speed settings
- PREVENTS OVERTIGHTENING and fastener run-off with Precision Wrench™ control
- BRIGHTEN DARK WORKSPACES with onboard LED and brightness control
- QUICKLY CHANGE BITS: Hog ring anvil for rapid, secure socket changes
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) DCF891 Impact Wrench (1) Belt Clip
Downloads

Features + Benefits
- ADAPTABLE FASTENING RANGE: Up to 300 ft-lbs of fastening torque and 450 ft-lbs of breakaway torque
- ENHANCED USER CONTROL in a variety of applications with 4 speed settings
- PREVENTS OVERTIGHTENING and fastener run-off with Precision Wrench™ control
- BRIGHTEN DARK WORKSPACES with onboard LED and brightness control
- QUICKLY CHANGE BITS: Hog ring anvil for rapid, secure socket changes
- OPTIMIZED SPEED IN WOOD with timber screw mode
- BUILT FOR LONG LIFE: GFN Housing provides resistance from damage caused by some oils and solvents
Key Specs
| Attribute | Specification |
|---|---|
item# | 5085509 |
Brand | DEWALT |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 4.24 LB |
Drive Size | 1/2 in |
Volts | 20 |
Battery Type | Lithium-ion |
Impacts Per Minute (IPM) | 3,250 |
Retainer Type | Friction/Hog Ring |
Cordless | Yes |
Motor Type | Brushless |
| Attribute | Specification |
|---|---|
Max. Forward Torque | 600 ft-lbs. |
Max. Reverse Torque | 800 ft-lbs. |
Max. Speed (RPM) | 2,000 |
Batteries (qty.) | 0 |
Battery Included | No |
Charger Included | No |
Tool Weight | 3.7 lb |
Storage Type | None |
Product Weight | 4.0000 lb |
Dimensions L x W x H (in.) | 8.88 x 3.5 x 8.25 in |
Reviews
Questions & Answers
Questions
-
· 10 months ago
Why does the description indicate up to 300 ft-lbs fastening torque and 450 ft-lbs of breakaway torque and your specs indicate a maximum fastening torque of 600 ft-lbs and a maximum breakaway torque of 800 ft-lbs.
1 answer-
ProductExpert11· 10 months ago
Helpful?
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· a year ago
Does this include 20 v battery?
1 answer-
ProductExpert11· a year ago
This will be the tool only. The battery and charger are sold separately.
Helpful?
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· 2 years ago
What is the max torque of this unit?
1 answer-
ProductExpert23· 2 years ago
The DeWalt 20V Max 1/2in Mid-Range Impact Wrench provides a maximum fastening torque of 600 ft-lbs and a maximum breakaway torque of 800 ft-lbs.
Helpful?
-
Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
1/2 in
1/2 in
3/8 in
3/8 in
20
18
20
12
Lithium-ion
-
-
-
3,250
2,000
3,500
3,300
Friction/Hog Ring
Friction/Hog Ring
Friction/Hog Ring
Friction/Hog Ring
Yes
Yes
Yes
Yes
Brushless
Brushless
Brushless
Brushless
600 ft-lbs.
800 ft-lbs.
185 ft-lbs.
550 ft-lbs.
800 ft-lbs.
1,200 ft-lbs.
-
-
2,000
1,750
3,250
3,000
0
-
-
1
No
-
-
-
No
-
-
-
3.7 lb
5.84 lb
-
-
None
None
None
Bag
4.0000 lb
5.8400 lb
2.1000 lb
2.2000 lb
8.88 x 3.5 x 8.25 in
8.75 x 3.23 x 9.0 in
4.9 x 7.7 x 3.1 in
4.8 x 2.4 x 7.2 in
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