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πŸ”§ bqlzr 3.175mm engraving drill bits for cnc pcb machinery 0.6-1.5mm - pack of 10 logo

πŸ”§ BQLZR 3.175mm Engraving Drill Bits for CNC PCB Machinery 0.6-1.5mm - Pack of 10 Review

3

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Very good

Revainrating 4.5 out of 5Β Β 
RatingΒ 
4.3
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Description of πŸ”§ BQLZR 3.175mm Engraving Drill Bits for CNC PCB Machinery 0.6-1.5mm - Pack of 10

Milling, Hole and Plate Edge, Surface Clean. No Burr,0.6-1.5mm. Drilling edge diameter: 0.6mm,0.7mm,0.8mm,0.9mm,1.0mm,1.1mm,1.2mm,1.3mm,1.4mm,1.5mm. Total length: approx. 1.437-1.5 inch. Shank diameter: 3.175mm /0.125 inch. Material: solid carbide(Tungsten steel).

Reviews

Global ratings 3
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  • 3
    1
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  • 1
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Type of review

Revainrating 5 out of 5

These are not end mills

Firstly, although the order said "10 pack" I received 2 of these. Also, I missed other reviews that talked about drill bits and not end mills. Here's another warning.

Pros
  • Overall length: approx 1.437-1.5 inches
Cons
  • Expandable

Revainrating 3 out of 5

What I wanted broke right away 3

Very easy to break. I've used them in my 3018 Pro CNC router and they only penetrated softwood 1mm and initially cut exactly how I wanted it to. However, when drilling deeper than 1mm, they broke easily, either due to my error or the machine. I broke 3 at once but I'm learning. I don't think they were bad for the price and probably good for those studying.

Pros
  • Milling, inserting hole and edge, surface cleaning
Cons
  • Lots

Revainrating 5 out of 5

great beats High precision and control.

Absolutely amazing bits. I used them in my dremel with an extension. They cut quickly and with great precision. You don't know much about haircuts. more for material removal. But if you need to make complicated cuts (like inlays or something) I'd say they couldn't be better. Handling and accuracy at medium to high speeds are fantastic. I would buy it again right away. ADVANTAGES: * High precision * Easy to use * Fast cutting DISADVANTAGES: * Not exactly forming - can be used as such, but they…

Pros
  • Material: Solid Carbide (Tungsten Steel)
Cons
  • Hard to say