Reddit mentions: The best countersinks
We found 3 Reddit comments discussing the best countersinks. We ran sentiment analysis on each of these comments to determine how redditors feel about different products. We found 2 products and ranked them based on the amount of positive reactions they received. Here are the top 20.
1. KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- 82 degree angle
Features:
Specs:
| Height | 0.5 Inches |
| Length | 3 Inches |
| Number of items | 1 |
| Size | 1/2 in |
| Weight | 0.05 Pounds |
| Width | 0.5 Inches |
2. KEO 53522, 1/2" Body Diameter 90 Degree Zero Flute Cobalt Deburring Tool,
KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Colbalt that provide flawless countersinking and deburringSingle flute countersinksThe chatter-free cutting action requires minimal power The micro-smooth CNC precision ground construction produces clean, smooth cut...
Specs:
| Height | 0.5 Inches |
| Length | 2.5 Inches |
| Number of items | 1 |
| Weight | 0.02 Pounds |
| Width | 0.7 Inches |
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Summary
1. KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- 82 degree angle
Features:
Specs:
| Height | 0.5 Inches |
| Length | 3 Inches |
| Number of items | 1 |
| Size | 1/2 in |
| Weight | 0.05 Pounds |
| Width | 0.5 Inches |
2. KEO 53522, 1/2" Body Diameter 90 Degree Zero Flute Cobalt Deburring Tool,
KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Colbalt that provide flawless countersinking and deburringSingle flute countersinksThe chatter-free cutting action requires minimal power The micro-smooth CNC precision ground construction produces clean, smooth cut...
Specs:
| Height | 0.5 Inches |
| Length | 2.5 Inches |
| Number of items | 1 |
| Weight | 0.02 Pounds |
| Width | 0.7 Inches |
If you're working with soft materials, you want something called a 0-flute countersink. They're designed for merely deburring metals, but in wood and plastic they make beautifully clean countersinks. There are several brands, but Keo is the one I'm most familiar with and can endorse.
82° if you mostly work with Imperial hardware
90° if you mostly work with Metric hardware
Yup. I just got done using one of these abaout an hour ago on some AL plate. Works like a charm. Don't get the Harbor Freight ones though they are garbage.
Amazon has them too.