Best Metric Countersink Drill Bits in 2026
Daisy
Last Updated: Feb 9, 2026
Daisy
Last Updated: Feb 9, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
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
Used for producing center holes in work pieces which require machining between centers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Chiloskit tool | 9.69 | ✅ | ✅ | ✅ |
Used for workpiece circular aperture chamfering or cone hole, the edges on the surface of the chamfering processing
Suitable for using in hardness under 25 artifacts, such as aluminum, insulation board, PVC board(Not for Stainless steel)It is not suitable for materials that are too thick or too hard.
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.
Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools
Material: high speed steel.Quantity:1 Set (4Pcs)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Combination Drill and Tap Bit: Thread Size: M8 x 1.25; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.
Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.
Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.
Coating: Features just the base substrate without any coatings, good for most general purpose thread tapping. High speed steel tool has high hardness and toughness, wear resistance and heat resistance.
Tips: Use on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ❌ | ❌ | ❌ |
Combination Drill and Tap Bit: Thread Size: M6 x 1; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.
Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.
Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.
Coating: Features just the base substrate without any coatings, good for most general purpose thread tapping. M35 cobalt high speed steel tool features high hardness (HRC65-66) and high red hardness, high wear resistance.
Tips: Use on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Combination Drill and Tap Bit: Thread Size: M5 x 0.8; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.
Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.
Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.
Coating: Features just the base substrate without any coatings, good for most general purpose thread tapping. High speed steel tool has high hardness and toughness, wear resistance and heat resistance.
Tips: Use on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amadeo City | 9.87 | ✅ | ✅ | ✅ |
Combination Drill and Tap Bit: Thread Size: M5 x 0.8; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.
Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.
Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.
Coating: Features just the base substrate without any coatings, good for most general purpose thread tapping. High speed steel tool has high hardness and toughness, wear resistance and heat resistance.
Tips: Use on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
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
90 degree angle
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CTI Industrial Supply, LLC | 9.62 | ❌ | ❌ | ❌ |
Size: #2, Material: High Speed Steel, Finish: Uncoated (Bright), Overall Length: 4, Shank Type: Round, Style: Combined Drill and Countersink
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Uxcell | 4 |
| Drill America | 2 |
| Keo Cutters | 1 |
| Preamer | 1 |
We've carried out a comprehensive analysis of 78 reviews on countersink drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select countersink drill bits priced around $17.56, with top brands including dkibbith, bosch, vouyar, irwin, wenhuali, ftg usa, deckrkat, comoware and dewalt and gmtools
Our team of expert editors reviewed these high-quality items and handpicked the top 8 countersink drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include dkibbith, tool country2, xpecial-kimall, amazon.com, lano direct, fair trade group usa, deckrkat, tg tools and gmtools us ii and city-vision .
We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which countersink drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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