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Metallic 8 Inch 2 Inch 4 Inch 10231 Review

3

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🪚 Industrial Drill Bits, 🔪 Cutting Tools

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Description of Metallic 8 Inch 2 Inch 4 Inch 10231

This product is easy to use. This product is highly durable. This product is manufactured in United States. Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size. Patented single-flute cutting edge gives greater control through steps and a true round hole every time. Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Speed Point tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck. Drill diameters etched in flute for easy identification. Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size. Patented single-flute cutting edge gives greater control through steps and a true round hole every time. Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck. Drill diameters etched in flute for easy identification.

Reviews

Global ratings 3
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

The project just got a lot easier!

As the name suggests, this made my life easier. I made some modifications to the truck and used a regular drill. After the first two holes I lost all my strength and patience. Bought this bit and the rest of the holes are faster and cleaner. Cuts like a knife through butter.

Pros
  • The Speed Point tip penetrates faster than previous Unibits and prevents walking. 3-sided hexagonal shank prevents slipping in the drill chuck.
Cons
  • Not bad, but...

Revainrating 5 out of 5

Great beat! for metalworking and multi-purpose drill bits

Bought as a replacement for the one I'm working on. They're well made, I've only used them so much (probably abused them a bit). My hobby is restoring muscle cars and these bits are perfect for drilling metal. Leaves a very clean hole when drilling sheet metal (unlike a conventional drill bit). Also used on thick metal (3/8 inch steel).

Pros
  • The SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-sided hexagonal shank prevents slipping in the drill chuck.
Cons
  • Not sure

Revainrating 5 out of 5

You get quality and durability

This is the third Unibit of this size that I have owned in the last 10 years, it's not that it's poorly made it's just that I keep using it. This is the only bit I can use to cut the release liner if I don't have a hole punch this size (requires some trickery). It has so many uses and I keep finding new ones. I have tried other brands but in this style this is the longest of the non-shrunk conical bits from the big brands. I've run it at 7500 RPM and at 2 RPM on 1/8" titanium sheet (pre-punched

Pros
  • The patented single-edged cutting edge gives you more control over your steps and a perfectly round hole every time.
Cons
  • Slightly dented