1 / 7COSLUS C40(A07) Electric Nail Drill, 20,000 RPM
COSLUS C40(A07) is a corded electric nail drill with adjustable speed up to 20,000 RPM and forward and reverse rotation. The listing describes a USB-powered, pen-style tool for manicure and pedicure work, with a compact listed weight of 175 g. Its power configuration is specified as corded, despite a separate feature claim calling it rechargeable, so buyers should confirm the exact version before ordering.
At a glance
- Adjustable speed and two rotation directions are described for natural and artificial nail work.
- The feature listing states that the kit includes six drill bits, 31 sanding bands and one USB cable.
- A pen-shaped handle is described for portable home use.
Often bought together
Pros and cons
Pros
- The listed speed range starts at 0 RPM and reaches 20,000 RPM, allowing adjustment for different nail-preparation tasks.
- Forward and reverse rotation can suit use with either hand.
- The listed 175 g weight and pen-style shape support a compact setup.
Technical specifications
8 specifications| Brand | COSLUS |
|---|---|
| Model | C40(A07) |
| Power configuration | Corded Electric |
|---|---|
| Input power | 5 Watts |
| Maximum rotational speed | 20000 RPM |
| Dimensions listed | 1.78 x 1.78 x 11.51 cm; 175 g |
|---|---|
| Weight listed | 175 Grams |
| Material listed | Plastic |
|---|
What to know before buying
- Claims of below 40 decibels, low heat and anti-blocking are manufacturer statements, not independently verified performance figures.
Listing details to confirm
The listing is inconsistent about power: specifications say Corded Electric, while a feature claim calls it rechargeable and USB-powered. It also describes 0-20000RPM in the feature text but separately lists a maximum rotational speed of 20000 RPM. Confirm the power arrangement and speed control of the selected version before purchase. The listed dimensions include a weight figure, while a separate weight entry gives 175 Grams.
What’s in the box
- 6 nail drill bitsCheck selected pack
- 31 sanding bandsCheck selected pack
- 1 USB cableCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Home manicure and pedicure users seeking a compact drill for nail shaping, polishing and product removal.
- Beginners who want adjustable rotation direction and a selection of drill bits and sanding bands, subject to confirming the kit contents.
Less suited to
- Buyers who need a confirmed cordless, rechargeable device without checking the selected listing.
- Users who require a guaranteed very low minimum speed, as customer feedback is mixed on how slow the minimum setting feels.

Customer reviews on Amazon
- 5 stars
68% 68% - 4 stars
15% 15% - 3 stars
8% 8% - 2 stars
2% 2% - 1 star
7% 7%
Customer feedback highlights ease of use, useful attachments, power and perceived value. Reliability and durability reports are mixed, including reports of the drill stopping after one use, and opinions differ on speed control, with some finding the minimum speed too fast. For buyers choosing it for adjustable 0-20000RPM operation, those mixed speed experiences matter, while the corded-versus-rechargeable listing inconsistency makes confirming the specific configuration important.
Positive themes
- Customers report that it is easy to use and appreciate the attachments for different needs.
- Customers praise its power and value, with one reported benefit being time and money saved.
Mixed feedback
- Feedback on reliability and durability is mixed, including reports that the unit stopped working after one use.
- Feedback on speed control is mixed, with some finding the minimum speed too fast.
Frequently asked questions
Is the COSLUS C40(A07) cordless?
The technical details list Corded Electric, but a feature claim describes it as rechargeable and USB-powered. Confirm the selected version's power arrangement before buying.
What is the listed maximum speed?
The technical details state 20000 RPM. The feature text describes an adjustable range of 0-20000RPM.
What attachments are described?
A feature claim says it comes with six different nail drill bits and 31 sanding bands, plus one USB cable. The listing does not provide an explicit package inventory.
Can it rotate in both directions?
The listing claims double-direction rotation and says it can be used by left- and right-handed users.

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