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Enhance Drilling Efficiency with Koopi BI METAL Replacement Diameter Drilling Review

3

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Very good

Revainrating 4.5 out of 5  
Rating 
4.3
🪚 Hole Saws & Accessories, 🔪 Cutting Tools

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Description of Enhance Drilling Efficiency with Koopi BI METAL Replacement Diameter Drilling

This 3 1/2" Hole Saw Drill Bit is designed for wood / plastic / soft metal cutting. Non-binding clean edge design make the 3.5" hole saw blade cuts smooth and fast.More than that,the spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole. This 3-1/2 inch hole cutter is made of BI-Metal and High Speed steel, Durable and cuts clear. Dimension: Diameter-3.5 in (89mm); Cutting Depth- 1.18 in (30mm); Arbor shank diamater- 3/8 in,fit all 3/8" or 1/2" drills. Pakage Include: 1 x 3-1/2 inch hole saw; 1 x arbor; 1 x replacement pilot drill bit; 1 x hex key.

Reviews

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

Revainrating 4 out of 5

Excellent Bi-Metal Replacement Drilling Tool

According to my experience, this hole saw is a great investment in the cutting tools category. It offers superior cutting performance and can handle tough materials with ease. The bi-metal construction makes it durable and long-lasting, and the precision-cut teeth ensure a clean, accurate cut. I also appreciate how easy it is to replace the blades. The only downside is the price, but it's worth it for the high-quality results you get. Overall, a top-notch product for industrial and scientific…

Pros
  • Durable and long-lasting due to its bi-metal construction
Cons
  • May experience difficulty when drilling through harder materials

Revainrating 5 out of 5

Disposable Best in Power & Hand Tools

Bought for one time use and that is exactly what I got from it. After a hole in the wood, insulation board and thin galvanizing, the saw and mandrel are used up.

Pros
  • Best in Niche
Cons
  • I will add later

Revainrating 4 out of 5

This is a good option for the money.

If nothing else is good and you don't need to use it all the time. Take it. I needed this hole saw to fix a ski ball. I had no intention of cutting this cork with anything else. None of the shops in town had this but they could order it if I wanted to pay A##. No I dont think so. I found it at a reasonable price and after 2 days I already had it in my hands.

Pros
  • Everything is fine!
Cons
  • Dear