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πŸ”ͺ optimized chamfering cutter countersink for flute degree logo

πŸ”ͺ Optimized Chamfering Cutter Countersink for Flute Degree Review

3

Β·

Very good

Revainrating 4.5 out of 5Β Β 
RatingΒ 
4.3
πŸͺš Industrial Drill Bits, πŸ”ͺ Cutting Tools

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Description of πŸ”ͺ Optimized Chamfering Cutter Countersink for Flute Degree

Set of 6 countersink drill bits with precision-ground 90-degree tips for drilling into wood, metals, rubber, plastic, and more. Material of Drill Bit:HSS 4241 , classic high speed steel and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. Used in hardness 25 Β° below the workpiece, such as carbon steel, sheet iron, insulation board. Great for Sinking 90 Degree Holes into Wood and Metals Countersunk Screws and Fixings.Suitable for DIY, Home and General Building/Engineering Using. We will promise that our products are 100% brand new. Size : In the picture.Shank: round shank

Reviews

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

Type of review

Revainrating 5 out of 5

Do what they're supposed to do. and do well.

Each item in this set is well made and has perfectly straight stems. I've used them on both steel and aluminum with good results. They leave a smooth surface that doesn't need any additional 'cleaning' and so far none of the parts have shown any signs of wear. The only reason I didn't rate durability and wear resistance is because I haven't had the set long enough. However, the complete freedom from wear that the bits have shown so far is a strong indication that longevity and durability should

Pros
  • Tools & Housewares
Cons
  • String is shorter than others

Revainrating 4 out of 5

Works well after some trial and error.

It takes a little practice to become vibration free when using a hand drill, but once I experimented a bit and found a technique that didn't leave vibration marks, I was pretty happy with them. With so many different sizes, you can bevel holes that are usually hard to reach, such as B. Holes near a shallow step on the side of the part. I have used them daily for 3-4 weeks in everything from 304SS/A2/D2 to aluminum/plastic and they have done their job in everything. I haven't tried running them…

Pros
  • Power & Hand Tools
Cons
  • Socket Required

Revainrating 4 out of 5

Works perfectly! Just use the right size!

I bought this to drill some countersunk holes in an aluminum plate that I bought to use as a heated bed on my 3D printer (713maker). I'm an idiot and used the wrong countersink to countersink. Holes for my standard M3 screws (there are 2 for M3) so it's my fault. However, my Ryobi hand drill did the job as you can see in the photos. Although she coped with her task, she turned out to be a bit ugly. However, this could be because I used a hand drill instead of a drill press. I didn't need it…

Pros
  • Countersink Bit
Cons
  • Only available in black