18V Sub-Compact Impact Driver | Metabo HPT WH18DDX

Model# WH18DDX

  • BEST IN ITS CLASS: Get top speed in an ultra-lightweight, sub-compact design*
  • LIGHTWEIGHT: Only 1.8 lbs
  • SPEED: Up to 3,200 RPM and 4,000 IPM
  • BEST IN ITS CLASS WARRANTY: Lifetime warranty on the tool body*
  • SUB-COMPACT: Only 5.3" in length for tight spaces



Only 1.8 lbs (2.6 lbs with 1.5Ah battery) for less fatigue in extended use


Only 5.3 inches allows for precise power in the smallest of spaces


Illuminates the workspace when used in darker areas


For easy and quick removal of nails from temporary wood structures

Introducing the Sub-Compact Cordless Impact Driver, WH18DDX, which offers maximum power, especially in tight spaces. At only 5.3 inches in length and just 1.8 lbs (without battery), this sub-compact impact powerhouse is engineered to tackle tough jobs in hard to reach spaces. Replace bits quickly with an easy-to-use keyless 1/4” hex drive and enjoy ultimate control with the variable speed trigger. The ergonomic grip and center balance design make work comfortable, especially during prolonged use. 

When working in dimly lit spaces, the bright LED light provides substantial brightness to the work area. This sub-compact impact driver is another addition to the Metabo HPT line of ultra-capable cordless power tools, offering a lightweight compact design at an incredible value.

Features of the Sub Compact Impact Driver
  • BEST IN ITS CLASS: Get top speed in an ultra-lightweight, sub-compact design*
  • LIGHTWEIGHT: Only 1.8lbs and up to 20% lighter*
  • SPEED: Up to 33% faster at 3,200 RPMs with 25% more impacts per minute at 4,000 IPMs*
  • BEST IN ITS CLASS WARRANTY: Lifetime warranty on the tool body*
  • SUB-COMPACT: Only 5.3" in length and up to 20% shorter for tight spaces*
  • TORQUE: Powerful brushless motor produces up to 1,240 in-lbs of torque 
  • LED LIGHT: For areas with low visibility
  • CONTROL: Variable speed trigger provides complete control during a variety of applications
  • BRUSHLESS: Technology for higher efficiency, increased run time and longer tool life
  • INCLUDES: 18V Impact Driver, (2) 18V 1.5Ah batteries, Charger, and Carrying Case
  • COMBO KIT AVAILABLE: Cordless Drill and Impact Driver available together as the KC18DDX Sub-Compact Combo Kit
  • CORDLESS DRILL AVAILABLE: Also available in a Cordless Subcompact Drill
  • TOOL CARD: Download the WH18DDX Tool Card


Included with the Sub Compact Impact Driver
  • 18V Lithium Ion Battery Charger (UC18YKSL)
  • (2) 18V 1.5Ah Lithium Ion Batteries (333353M)
  • Hard Carrying Case (336642)

*Compared to competitors of sub-compact impact drivers available at major home centers at the price point as of October 2020. Batteries and chargers warrantied separately.  Weight, speed, and size are compared to the Metabo HPT WH18DGL.


Voltage  18 
Battery Type  Lithium Ion Slide-Type 
Battery Amp Hour  1.5Ah
Battery Included 2
Torque  1,240 in/lbs 
Max No Load Speed 0-3,200 RPM
Impact Rate 0-4,000 IPM
Chuck Type  1/4" Keyless Hex Drive
Brushless Yes
LED Light On-Tool
Metal Belt Hook No
Tool Length  5.3"
Weight  1.8 lbs (tool body only)
2.6 lbs (w/ 1.5Ah battery)
Warranty: Tool Body Lifetime Lithium Ion Tool Body
Warranty: Li-Ion Battery   2-Year
Warranty: Charger 1-Year


  • WH18DDX Sub-Compact Impact Driver
  • 18V Lithium Ion Battery Charger (UC18YKSL)
  • (2) 18V 1.5Ah Lithium Ion Batteries (333353M)
  • Hard Carrying Case (336642)