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Can I use this in tight spaces?What is the warranty period?How do I charge the batteries?Is it safe to use in low light?Will this prevent broken fasteners?

Metabo HPT 4-Amp 18-volt Variable Speed 1/2-in square Drive Cordless Impact Wrench 2 batteries Charger Included)

Name: Metabo HPT 4-Amp 18-volt Variable Speed 1/2-in square Drive Cordless Impact Wrench 2 batteries Charger Included)
Brand: Metabo HPT
SKU: 5015393841
Price: 329 USD
Availability: InStock
Rating: 4.8 (15 reviews)

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4.8

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Tue, Oct 20

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The WR18DHM is an 18V 1/2" Drive Impact Wrench. The powerful brushless motor provides 433 ft-lbs of loosening torque and 255 ft-lbs of tightening torque. Auto Stop, Auto Slow, IP56, and a compact tool body save time and money by reducing damaged and dropped fasteners, getting into tight places, and working in tough conditions. The WR18DH provides what the professional needs. The 18V 1/2" Drive Impact Wrench is part of the expanding MultiVolt System of 18-Volt and 36-Volt power tools from Metabo HPT. GO compact and lightweight for all applications with 18V batteries or GO extreme with the unique MultiVolt 18V/36V battery to supercharge your runtime for up to 8.0Ah per charge.

POWER: 433 ft-lbs of loosening torque to remove stubborn fasteners
AUTO STOP: Set the tool to stop automatically after a preset time to prevent broken fasteners
AUTO SLOW: After fastener loosening is detected, the tool slows down to prevent dropped fasteners
LED: For working in low light environments
COMPACT TOOL BODY: Allows for work in tight spaces
LIGHTWEIGHT: Only 2.9 lbs this tool can used with little fatigue
Drive: 1/2-in square drive with friction ring to provide a strong grip on sockets and quick and easy bit replacement
SPEED SWITCH: 4-Stage electronic speed switch for precision and control during a variety of applications
INCLUDES: (2) 18V Li-Ion 4.0Ah Battery, (1) Charger, and (1) Carrying Bag

General
Battery Voltage	18-volt	Type	Cordless Impact Wrench
Color/Finish Family	Green	Package Quantity	1
Sub-Brand	N/A	Package Contents	(2) 18V Li-Ion 4.0Ah Battery, Charger, Carrying Bag

Dimensions
Drive Size	1/2-in square	Amperage (Amps)	4
Tool Weight (lbs.)	4.4

Features
Battery Included	2 batteries	Forward/Reverse Rocker Switch	No
Battery Platform	Metabo HPT MultiVolt 18V	Hybrid Capable	No
Brushless	No	Impacts Per Minute	4000
Case Included	Yes	No-Load Speed	2800 RPM
Charge Time (Hours)	1	Second Battery Amp Hours	4
Charger Included	Yes	Variable Speed	Yes
Cordless	Yes	Voltage (Volts)	18

Compatibility
App Compatibility	No	Works with Android	No
Bluetooth Compatibility	No	Works with iOS	No
Wi-Fi Compatibility	No

Warranty
Warranty	Lifetime

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Miscellaneous
UNSPSC	27112700

Check out the Best Selling Impact Wrenches on Lowes.com

Review

4.8 out of 5

15 Reviews

2 Star

1 Star

100% Recommend this product

Ratings may include incentivized customer reviews.

15 Customer Reviews

Sort By

Great Keep in Vehicle Impact

Would Recommend

I keep this impact wrench in my car and it has already helped several people from having to call a wrecker. It’s compact, powerful, and removes lug nuts quickly without struggling. For an 18V tool, the torque is impressive for the size!

Gator_County101February 16, 2026

From metabo-hpt.com

DYI

Would Recommend

I retired a while ago and was replacing all of my air tools with something that would last. I send a lot of time reading reviews. I picked METABO over all the other brands on quality and price

ShimoFebruary 10, 2026

From metabo-hpt.com

Didn't hold up currently ready to send in

Would Recommend

Was great at first but started working intermittently Planning on sending it in for repair. I know others with same tool that's why we purchased they have no issues. Assuming it's a defect

Kevs toolsFebruary 5, 2026

From metabo-hpt.com

Very powerful

Would Recommend

Saves a lot of time anchoring sill Plates down on new const homes we build . We have 2 of them and are very happy we invested in them .

Aaron 74February 4, 2026

From metabo-hpt.com

Great tool

Would Recommend

[This review was collected as part of a promotion.] I use this tool for four years. I’m impressed by the battery life, the torque and lightweight of the tool. This would be my first choice in an impact driver purchase.

Neal66February 4, 2026

From metabo-hpt.com

Go to tool

Would Recommend

This is my go to tool, puts up with drops and abuse and is always ready to go when I need it.

MikeNavCanMarch 18, 2025

From metabo-hpt.com

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Metabo HPT: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Metabo HPT4-Amp 18-volt Variable Speed 1/2-in square Drive Cordless Impact Wrench 2 batteries Charger Included)
		Ratings	15
		Cordless
		Battery Included	2 batteries
		Drive Size	1/2-in square
Metabo HPTMultiVolt 36-volt Variable Speed Brushless 3/4-in square Drive Hybrid Capable Cordless Impact Wrench (Battery Not Included and Charger Not Included)	DEWALT20-volt Max Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (Battery Included and Charger Included)	DEWALTXR 20-volt Max Variable Speed Brushless 3/4-in Drive Cordless Impact Wrench (Battery Not Included and Charger Not Included)	Bosch4-Amp 18-volt Variable Speed 7/16-in Drive Cordless Impact Wrench 2 batteries Charger Included)	Bosch4-Amp 18-volt Variable Speed Brushless 3/8-in Drive Cordless Impact Wrench (Battery Included and Charger Included)	FLEXSTACKED LITHIUM 6-Amp 24-volt Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (Battery Included and Charger Included)	DEWALT20-volt Max Variable Speed Brushless 1/2-in Drive Corded Impact Wrench (Battery Included and Charger Included)	DEWALT20-volt Max Variable Speed Brushless 3/8-in and 1/2-in Drive Cordless Impact Wrench 2 batteries Charger Included)	Bosch4-Amp 18-volt Variable Speed Brushless 1/2-in square Drive Cordless Impact Wrench 2 batteries Charger Included)
3	388	12	2		218	1		4

			2 batteries				2 batteries	2 batteries
3/4-in square	1/2-in	3/4-in	7/16-in	3/8-in	1/2-in	1/2-in	3/8-in;1/2-in	1/2-in square