can be used with Ac 220 V country?

No, it can 't be used with AC 220v country.

Does it rotate or vibrate?

Glad to help you, the engraver work by reciprocating motion, the rotary tool works by rotational motion.

I can't secure the screw when the engraving is inserted, what am I doing wrong?

If you mean you can't secure the set screw when the "engraving tip" is inserted, consider the following. The tip should be sticking out about 3/8" to 7/16" if it's properly inserted. If it's sticking out more, it's not in, and you should back out the set screw a little more so the tip will go all the way in and seat in the holder. Make sure you use the Alan wrench that came with the engraver to tighten the set screw. If it still won't tighten, you may have a defective unit (engraving tip holder, set screw, set screw threads, etc) and you should go to the manufacturer's website for their contact information and see if they will help you. If you just purchased it, consider Amazon returns if the unit turns out to be defective and should be replaced.

How is this compared to Dremel 290-05 120V? What type of bits recommended for granite/marble?

According to the feedback from other buyers, Utool Engraver have more beautiful appearance and powerful performance. And the Tungsten Carbide Steel Bits can be used on the granite/marble

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Our Other Brands:Hewyn|Selfship

UTOOL 10PCS Engraver Diamond Point Tungsten Carbide Steel Bits & Spare Parts Set for Engraving Tool

UTOOL 10PCS Engraver Diamond Point Tungsten Carbide Steel Bits & Spare Parts Set for Engraving Tool

Product ID: 403593382

Details

Shank Type
Straight
Brand
UTOOL
Item dimensions L x W x H
3.5 x 5 x 0.1
Tool Flute Type
Straight
Surface Recommendation
Glass Ceramic

💎4 diamond bits for smooth, precise engraving

🔧Allen wrench + chuck screw for flexible accessory swaps

⚙️HRA≥80 ultra-fine grain carbide hardness

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7420 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Carve your mark with precision and power — don’t get left behind!

ALL MATERIAL MASTERY - Perfect for stone, glass, metal, hardwood, tile, ceramics, marble, and granite
UNMATCHED DURABILITY - Tungsten carbide steel bits with HRA≥80 hardness for long-lasting performance
PRECISION CRAFTSMANSHIP - Diamond bits deliver smooth, coherent shallow engravings on diverse materials
VERSATILE COMPATIBILITY - Fits UTOOL and most rotary engravers for multi-surface use
EFFORTLESS ACCESSORY CHANGES - Includes Allen wrench and chuck screw for quick, flexible bit swaps

The UTOOL 10PCS Engraver Set features ultra-hard tungsten carbide steel bits (HRA≥80) and precision diamond bits designed for smooth, detailed engraving on a wide range of hard materials. Complete with an Allen wrench and chuck screw for easy bit changes, this versatile set is compatible with UTOOL and most rotary tools, ensuring professional-grade durability and performance for all your engraving projects.

Specifications

ASIN	B07YWH1Y5J
Best Sellers Rank	#90,525 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #128 in Engraving Tools
Brand	UTOOL
Color	10pcs bits
Customer Reviews	4.4 4.4 out of 5 stars (265)
Date First Available	12 December 2019
Item Weight	100 g
Material	8 Bits + 1 Wrench + 1 Screw
Model Number	PEB0101
Power / Wattage	24 watts
Product Dimensions	8.89 x 12.7 x 0.25 cm; 100 g

Reviews

G**T

Good

12.12.2025

W**R

As described

30.05.2025

S**S

This was what I was looking for and won't have to get anymore for a while. Do be careful opening the ziplock as it can tear away from the bag... Going to purchase some super glue and should be all set in fixing that issue. You can't beat the price for the amount you get.

8.03.2024

R**T

Very durable.

11.08.2024

H**6

Very pleased with this product. Nicely made and works well. Would buy again or for family!

11.04.2024

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