DEWALT DC820B 1/2-Inch 18-Volt Impact Wrench Review

The DEWALT DC820B 1/2-Inch 18-Volt Cordless Impact Wrench Offers top class durability and performance as well as an exceptionally ergonomic design, and is up to the task of driving heavy lag screws or loosening big, corroded nuts. With its 1/2 inch drive and variable speed, this impact wrench delivers a rotational speed of 0 to 2,400 RPM and concussive blows of 0 to 2,700 BPM straight to the fastener giving impressive 1,740 inch pounds of torque thus. It is powered by DEWALT’s newest 18v cordless batteries, which are not included in this package.

Note that this DEWALT cordless tool doesn’t come with a charger or battery. It is fully compatible with a DC9096 18v XRP battery pack as well as a DW9117 15 minute battery charger.

The DC820B is backed by DEWALT with a three-year, from the date of purchase, limited warranty, which covers any defects due to faulted materials or workmanship. It’s also fully covered by DEWALT’s one year free service contract, meaning DEWALT will maintain the tool and replace worn parts occasioned by normal use for free.

Main features list

  • a frameless motor offers longer tool durability as well as life,
  • Compact sizing, with weight makes it easy to access tighter areas and lessen fatigue
  • 1,740 in-lbs of torque to carry out a broad range of fastening uses,
  • speeds of 0-2,400 rpm/0-2,700 rpm for greater application speed,
  • Brushes( replaceable) give enhanced usability,
  • textured anti-slip grip provides comfort,

Who is it best for?

It is ideal for any handyman who needs a compact unit with a good torque rating. It would ideally suit an auto mechanic who would find it useful for undoing nuts in most applications.

Pros and cons

With its compact size for easier access to tight spaces, and built-in LED, this unit has the power and performance ideal for heavy-duty jobs. The wrench’s 1,740 inch pounds of torque makes fast work of most fastening jobs, and the heavy-duty impact mechanism directly applies torque to the fastener with no kickback. It has a 1/2” drive which is square and features a detent pin retention system. The dependable DC820B features a frameless motor with fully replaceable brushes, which is designed to save you money as well as simplifying maintenance. It features an all metal transmission ensuring a long life and weighs in at a lightweight 2.2 lbs. Measuring just 5-3/4” in length, this compact tool will get into tight spaces most models can’t access and perform a wide range of applications. In addition, it has an ergonomic, anti-slip grip which fits easily in your hand allowing continuous on the job comfort. Powerful and user friendly, it also features the addition of a built-in LED, on-board bit storage, and a heavy-duty, magnesium alloy gear case.

The Impact Wrench has loads of torque and power. The torque of this unit is a bit low for removing some bolts in the automotive category, but these are probably applications which were never intended for a machine like this.

Why should you buy it?

Buy it because of its small size, light weight and high torque.

Final Verdict

This amazing wrench is a good, ergonomically designed, small but robust impact driver/wrench, which will be a bonus in numerous applications