Countersink Drill Bit Set with Depth Stop 4PCS, HCS Four Blades Countersink Bits with Adjustable Depth Stop and L Shape Wrench, Wood Countersink Bit Set for Wood, Plastic, Woodworking
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Availability:
In Stock.
Arrives
Tuesday, Jun 23
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Style: 4PCS Four Blades Countersink Bits
Features
- Set IncludesOur premium 4-piece Countersink Drill Bit Set features M2 HSS tapered pilot drill bits in sizes 7/64"3/8", 1/8"3/8", 9/64"3/8", 5/32"3/8".
- Premium MaterialsConstructed with M2 HSS, the pilot drill features a helical chip design for efficient cutting. The sharp HCS edges ensure smooth countersinks and counterbores, making it ideal for screws conforming to the 82-degree imperial (U.S.) standard.
- Adjustable DepthBoth drilling and countersinking depths can be easily adjusted using hex screws and depth control stops, providing enhanced flexibility for various tasks and applications.
- Versatile ApplicationsSuitable for a wide range of materials, including natural wood, engineered wood, MDF, particle boards, plywood, aluminum, non-ferrous metals, and decorative materials, this set is perfect for diverse woodworking and drilling projects.
- Usage TipFor optimal performance and clean edges, operate the countersinks at a slow speed of approximately 200 RPM.
Material: High Carbon Steel
Cutting Diameter: 4 Millimeters
Shank Type: Hex Shank
Cutting Angle String: 82 Degrees
Brand: WildBossy
Brand Name: WildBossy
Set Name: 4PCS
Unit Count: 4.0 Count
Manufacturer: WildBossy
Part Number: CKZ-004
Number of Pieces: 4
Cutting Diameter: 4 Millimeters
Material Type: High Carbon Steel
Shank Type: Hex Shank
Surface Recommendation: Metal, Plastic, Wood
Cutting Angle String: 82 Degrees
Tool Flute Type: Spiral
Number of Flutes: 2
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jun 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 4PCS Four Blades Countersink Bits
The bits are sharp, and the depth stop collars work perfectly to ensure I don’t drill too deep. I’ve used them on both plywood and PVC plastic with no issues. The L-wrench is included, so you can start using them right out of the box. Fast shipping and solid quality!
Reviewed in the United States on April 15, 2026 by Cristy
Style: 4PCS Four Blades Countersink Bits
Very nice countersink drill bits, has several sizes and is in a nice case. This is a welcome addition to any tool box. The quality is good and a great value for the money.
Reviewed in the United States on April 13, 2026 by MJ Couto
Style: 4PCS Four Blades Countersink Bits
The drill bits are on the cheap. They dull out quick. Even on soft yellow pine. They also snap very easy. The stop cup has a nice soft feel and flex to it to not mar the wood. It would have been nice if the locking Allen’s were better positioned to change out bits but it’s a little inconvenient.
Reviewed in the United States on December 5, 2025 by Mike
Style: 4PCS Four Blades Countersink Bits
Honestly really happy with this set. I grabbed it for a few DIY projects and it worked way better than I expected. The cuts come out super clean and it’s really easy to get consistent depth once you set it. Adjusting everything was simple and didn’t take long at all. It feels solid and not cheap like some other sets I’ve tried. For the price, this is definitely worth it and I’d 100% recommend it.
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Reviewed in the United States on April 10, 2026 by Ryan Lunt
Style: 4PCS Four Blades Countersink Bits
This countersink set makes drilling perfect pilot holes so easy. The adjustable depth stop lets me set exactly how deep I want to go, and the four-flute HCS cutters leave clean, burr-free holes every time. Works great on wood and plastic. The included hex key is handy for adjustments. A must-have for any DIY project.
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Reviewed in the United States on April 19, 2026 by Eurys
Style: 4PCS Four Blades Countersink Bits
This small tool helps me to do precise jobs, it is strong and easy to adjust, good for small things where you need control. Good option if you are looking for something practical and durable.
Reviewed in the United States on April 18, 2026 by Mauricio Pena Corona
Style: 4PCS Four Blades Countersink Bits
Nice quality sturdy set! But, you would think the set should have the extra 4 small nuts that hold the drill bits to the countersinks! If you need to go to a different size, you need to unscrew and remove the small nut off the countersink completely and screw it on the bit you want to switch to! If you accidently drop the small nut in your shop while having to change it (something you shouldn't have to do) It will probably bounce into the shadow realm where you'll never find it again! Guess go to Home Depot and buy the extra several small nuts with the proper threading that should already be included with the kit! For that reason I gave it 2 stars!
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Reviewed in the United States on March 22, 2026 by Amazon Customer
Style: 4PCS Four Blades Countersink Bits
I bought this for my husband and he really liked it. He’s been using it a lot and says the drill bits are strong, cut clean, and don’t wear out quickly. The adjustable depth stop is very useful and makes the work easier and more precise. It also comes organized, which is a big plus. For the price, it’s definitely worth it. Great purchase!
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Reviewed in the United States on April 15, 2026 by Yurainis Napoles Zapata