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July 9, 2025

I Use a Hammer Drill to Hang Stuff on My Lathe and Plaster Walls, and This Heavy-Duty One From DeWalt Is 40% Off for Prime Day Becca Lewis | usagoldmines.com

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Prime Day 2025 is here from Tuesday, July 8 to Friday, July 11, and Lifehacker is sharing the best sales based on product reviews, comparisons, and price-tracking tools. 

New to Prime Day? We have a primer on everything you need to know. Sales are accurate at the time of publication, but prices and inventory are always subject to change.


If you have heavy-duty DIY projects planned, like deck-building or mounting shelving to brick or concrete, you might want to add a hammer drill to your cordless tool kit. The DeWalt heavy-duty 20-volt 3-speed hammer drill is on sale for $159 for Prime Day, 43% off its regular price. It can deliver more force than a regular drill by adding impact force in addition to its torque, making it better at drilling through thick beams, tougher material like brick or concrete, and using larger gauge drill bits.

When you need a hammer drill

I live in a house that’s over 100 years old, and we have lath and plaster walls that are great for deadening sound and durability, but lousy for trying to hang anything up. A hammer drill ended up being the answer for that, as well as for attaching a metal railing to the concrete walkway at the base of our steps. You will struggle less to get through thicker and tougher material with a hammer drill, especially if you have a lot of holes to drill.

In addition to making you struggle less, the motor on a hammer drill is more powerful, so your drill motor will struggle less too. Since hammer drills are designed for tougher materials, they tend to be powered for more resistance, and can tackle more friction while drilling without burning out your motor.

How a hammer drill works

A hammer drill works by adding impact to the torque function of a regular drill, so it gives you more pressure on your bit. This added momentum gives a periodic boost to the pressure you’re applying to your drill, making it easier to get through tougher and thicker material, especially with a larger-diameter bit. The hammer function can be turned off for drilling into regular materials as well, so this drill can also be used for regular woodworking or DIY projects.

Why choose this tool

DeWalt has a long-standing reputation as a dependable brand for cordless tools, and their hammer drill has been recognized as a well-performing powerhouse. The higher powered hammer drill gets you 2,000 RPM, about 500 more than a regular drill, in addition to the hammer function—so the regular drill mode is also heavier-duty than its smaller counterpart. The variable speed function of the drill makes it simple to switch from hammer drilling to regular if you’re working with multiple material types, and the included handle helps you control it as you go.

Note that this is a tool-only deal, so you’ll need a DeWalt 20-volt battery set to use it.

Consider an impact wrench too

If you have deck-building to do, you can also consider using an impact wrench for driving your larger and longer fasteners. The DeWalt 20-volt ½-inch chuck impact wrench is also 43% off for Prime Day, and it has a much higher torque rating than a regular impact driver. This tool is good for driving larger fasteners, like bolts or heavy-duty screws, into thicker material, and can also be used for tightening nuts and bolts on metal, like the lug nuts on your tires.

You can use the speed settings to prevent over tightening as well as deliver up to 1030 foot-pounds of torque to your fasteners. This driver is a good companion tool to a hammer drill, and I can tell you from experience building a deck with one, that the extra power will make your day easier if you have a lot of longer fasteners to drive.


Prime Day competition sales that are especially useful if you don’t have Amazon Prime.

  • Walmart’s Prime Day competition sale begins at midnight on July 8 and will include deals up to 50% off. It’s an especially good option if you have Walmart+. 

  • Best Buy’s Prime Day competition sale, “Black Friday in July,” runs through Sunday, July 13 and has some of the best tech sales online. It’s an especially good option if you’re a My Best Buy “Plus” or “Total” member.

  • Home Depot extended its 4th of July sale through at least July 9, competing with some amazing deals of its own. It’s an especially good option if you’re looking for power tools, appliances, or outdoor equipment. 

Deals are selected by our commerce team


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This articles is written by : Nermeen Nabil Khear Abdelmalak

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