Dremel 8240 Cordless Rotary Tool
Dremel

Dremel 8240 Cordless Rotary Tool

$39.99across 48 retailers
Model: 8240-5UPC: 80596057336
Lowest at Amazon
$77.99 at Amazon
Price seen Sep 3, 2026
Lowest at any Popular Retailer
$67.59 at AliExpress
Price seen Feb 23, 2025

Where to Buy

Newest price seen: Sep 3, 2026
RetailerPriceLast seenBuy
B
BUYA.COM
Sold by Buya
$39.99Feb 23, 2025, may have changedBuy Now
AliExpress logo
AliExpress
$67.59Feb 23, 2025, may have changedBuy Now
H
Helton Tool & Home
$77.18Oct 3, 2023, may have changedBuy Now
Amazon logo
Amazon
Sold by EC 21 LLC
$77.99Sep 3, 2026, may have changedBuy Now
B
bigeasymart.com
$86.99Feb 23, 2025, may have changedBuy Now

Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.

Pros

  • •Cordless feature enhances ease of use.
  • •Powerful performance comparable to traditional tools.
  • •Quick charging capability with minimal downtime.
  • •Strong, durable design suitable for demanding tasks.
  • •Operates quietly, making it ideal for pet grooming.
  • •Portability and functionality make it user-friendly for non-professionals.
  • •Solid construction suggests a long-lasting tool.
  • •Manufacturer, Dremel, has a reputation for quality and innovation.
  • •Highly recommended by users for large dog nail grooming.
  • •Users report satisfaction with its performance on various projects.

Cons

  • •Prone to dust and particle accumulation, requiring regular cleaning.
  • •Larger size may be a drawback for certain users and tasks.
  • •Confusing attachment array with unclear functions.
  • •Users might need to buy additional attachments to fully utilize the tool.
  • •Some concerns over cooling fins potentially causing malfunctions over time.

Bottom Line

The Dremel 8240-5 is a highly capable cordless rotary tool praised for its power and versatility, particularly for demanding tasks and pet grooming. Despite its size and some cleaning challenges, it offers excellent portability and quick charging. However, users may need additional attachments for complete functionality. Overall, it's a solid choice for both casual users and serious DIYers.

Read full expert review

What Reviewers Are Saying

Praised
powerful40%
cordless33%
easy to use7%
long-lasting13%
strong motor7%
battery life/runtime7%
cordless addition7%
Criticized
confusing array of attachments7%
condition was a disappointment7%
tool collects dust7%

Discussion

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