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Cozy 10Pcs Diamond-Tipped Drill Bit Set Review

3

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Terrible

Revainrating 1.5 out of 5  
Rating 
1.7
🪚 Industrial Drill Bits, 🔪 Cutting Tools

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Description of Cozy 10Pcs Diamond-Tipped Drill Bit Set

♥【High Efficiency and Fast Cutting】— Sharp twisted drill bits will make the drilling easier and more effortless. ♥【High-Valued Package】— There comes with 10 pieces of twist drill bits in the package, you can use them for a long time upon different occasions. ♥【High Standard Material Ensures Long Lasting Performance】— This Jobber Drill Bit Set is made of high quality material, and it is finished with fine polish to offer a good durability. ♥【Different Sizes Meet Different Needs】— This Twist Drill Bit Set have different sizes to meet your different drilling requirement, and the sizes are 0.8 / 1.0 / 1.2 / 1.5 / 1.8 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0mm, you can use them for different purposes. ♥【Widely Applications】— It is widely used in the drilling of jade, metal, Agate, Jade, gemstones, pearls, pendants, and cobblestone.

Reviews

Global ratings 3
  • 5
    0
  • 4
    0
  • 3
    0
  • 2
    2
  • 1
    1

Type of review

Revainrating 2 out of 5

Drills broke in minutes

I used to have them drill holes in sea glass and shells. The bit I used lasted 10 minutes before breaking in half. Not very good quality.

Pros
  • High efficiency and fast cutting
Cons
  • Discontinued

Revainrating 2 out of 5

Not even durable!

I drilled a hole about 1/2 inch deep in soft limestone with a 2.5mm drill bit and the bit was blasted. and no more hole is drilled The end of the drill bit is blackened I used a standard drill bit, NOT a hammer drill or "drill bit". Disappointed.

Pros
  • High quality material ensures durability
Cons
  • Ugly packaging

Revainrating 1 out of 5

Porcelain 1/8 " 3, Diamond Bur 0

The burs looked like they should work. I needed to drill a 1/8" deep hole in a piece of china that was only about 1" in diameter mm had to have. I tried sneaking up on it both in diameter and depth and after 3 holes the hole got bigger in diameter than it was deep and then I gave up. The drill bits were incredibly cheap and worked horribly badly Not worth the price in any price range.

Pros
  • Expensive Packaging
Cons
  • Not sure