Best Metric Countersink Drill Bits in 2026
Daisy
Last Updated: Feb 7, 2026
Daisy
Last Updated: Feb 7, 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 |
|---|---|---|---|---|
| Express Tool Supply | 9.88 | ✅ | ✅ | ✅ |
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
Adjustable stop collar attaches to counter bore with two hex screws for a secure fit and can be adjusted for desired counter bore depth
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MaxWarehouse | 9.82 | ❌ | ❌ | ❌ |
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills. Counterbore Size - 7/16 inch. Plug Size - 7/16 inch
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
TAPERED COUNTERSINK TOOL #12
TAPERED COUNTERSINK TOOL #12
TAPERED COUNTERSINK TOOL #12
TAPERED COUNTERSINK TOOL #12
TAPERED COUNTERSINK TOOL #12
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
TAPERED C'SINK #8 REPLACEMENT BIT
TAPERED C'SINK #8 REPLACEMENT BIT
TAPERED C'SINK #8 REPLACEMENT BIT
TAPERED C'SINK #8 REPLACEMENT BIT
TAPERED C'SINK #8 REPLACEMENT BIT
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Express Tool Supply | 9.88 | ❌ | ❌ | ❌ |
TAPERED COUNTERSINK TOOL #10
TAPERED COUNTERSINK TOOL #10
TAPERED COUNTERSINK TOOL #10
TAPERED COUNTERSINK TOOL #10
TAPERED COUNTERSINK TOOL #10
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Express Tool Supply | 9.88 | ❌ | ❌ | ❌ |
Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Irwin Tools | 4 |
| Irwin | 3 |
We've carried out a comprehensive analysis of 317 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 $12.59, 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 7 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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