Skip to content
Shop Your Local Store Ship to Your Hometown Store
Pro & Contractor Accounts Apply for Net Terms
100,000+ Products Trusted Authentic Brands

Dremel 12V Cordless Rotary Tool Kit

Cord-free precision up to 35,000 RPM, packed in a kit with battery and case so you're ready to work right away.
Dremel MPN 8240-5 In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $89.99. Our online price is $99.99.
$99.99
Free shipping on orders over $75
Ships within 24 hours · most orders arrive in about 2 business days

About Product Overview

The Dremel 8240-5 cuts the cord without cutting speed, running up to 35,000 RPM on a 12V battery so you can tackle detail work anywhere in the shop or job site. It's built for the fine, close-up tasks a rotary tool is made for: sanding tight corners, grinding metal edges, carving, engraving, cleaning up welds, or cutting small pieces of wood, plastic, and light metal. Because it's cordless, there's no cable to manage while you're working at odd angles or reaching into awkward spots.

This is sold as a complete kit rather than a bare tool, so you're set up to start working right out of the case. The included 2 amp hour battery gives you real runtime between charges, and the carrying case keeps the tool and accessories organized and protected between uses. It's ETL listed and backed by a 2-year warranty, which matters on a tool that sees repeated short bursts of high-speed use.

  • Cordless 12V rotary tool, up to 35,000 RPM
  • Sold as a kit with 2 Ah battery and carrying case included
  • Tool length: 9.98 inches
  • ETL Listed
  • 2-year manufacturer warranty
  • Made in Malaysia

The Details Specifications

Special Handling Special handling and shipping requirements apply.
Brand Dremel
UPC 080596057336
Case Pack Quantity 2 per case
Retail Unit Quantity 1
Dimensions (L × W × H) 4 × 14 × 9
Weight 3 lbs
Country of Origin MALAYSIA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to open the other tab. Everybody does. We'd rather say so than pretend otherwise — so open it. We'll wait.

When you're over there, check four things before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Dremel. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

We're not always the cheapest.

Sometimes you'll find it for less. Sometimes you'll find it for more. On a lot of brands the number is identical everywhere it's sold legitimately — the manufacturer sets a minimum advertised price and every authorized dealer holds it. When a price sits well under that, it's worth asking why before it's worth celebrating.

How pricing actually works
Authorized dealer · Dremel

Or skip both tabs and buy it down the street. Find a store near you →

Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare