Best Counterbores

of Feb 2025

   In the realm of woodworking and metalworking, counterbores emerge as indispensable tools, meticulously crafted to create precision recessed holes for countersunk screws, enhancing both the aesthetic appeal and functionality of your projects. These specialized drill bits, available in various sizes and styles, empower you to achieve clean, accurate countersinks, ensuring a seamless fit for screw heads, while accommodating different materials like wood, metal, or plastic. Counterbores are your secret weapon for professional-looking results, elevating your projects to the next level of excellence.

SUPER TOOL 52212 Reduced Shank Counterbore,3/8" D

10
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3. High-Speed Steel The SUPER TOOL 52212 Reduced Shank Counterbore,3/8" D is an essential tool for drilling and holemaking. It is made of high-speed steel and features a reduced shank counterbore, 3.../8" D. This tool is perfect for those who need to make precise holes in a variety of materials. The SUPER TOOL 52212 Reduced Shank Counterbore,3/8" D is designed to offer superior performance and accuracy. The reduced shank counterbore, 3/8" D, ensures that the hole is made with precision and accuracy. This allows for a better and smoother finish on the hole. The high-speed steel construction also ensures that the tool is durable and long-lasting. In addition, the SUPER TOOL 52212 Reduced Shank Counterbore,3/8" D offers a variety of features that make it a great choice for those who need to make accurate holes in a variety of materials. The tool is designed to be easy to use and it can be used with a variety of drill bits and holemaking tools. It is also lightweight and compact, making it easy to store and transport. The SUPER TOOL 52212 Reduced Shank Counterbore,3/8" D is an excellent choice for those who need a reliable and accurate tool for drilling and holemaking. Its reduced shank counterbore, 3/8" D, ensures that the hole is made with precision and accuracy. Its high-speed steel construction also ensures that it is durable and long-lasting. With its variety of features, this tool is perfect for those who need to make accurate holes in a variety of materials.

HHIP 2007

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6. 3 Flute Introducing the HHIP 2007-0023 21 Pieces HSS Interchangeable Pilot Counterbore Set. This set is made up of high speed steel and comes in a fitted case for easy storage and transport. It i...ncludes 14 pilots with a 5/32" shank including 0.187, 0.204, 0.213, 0.229, 1/4, 17/64, 9/32, 5/16, 21/64, 11/32, 3/8, 25/64, 13/32 and 7/16. It also has 6 counterbores including 5/16, 3/8, 7/16, 1/2, 9/16 and 5/8. To complete the set, it also includes 1 Holder with a 3/8" shank and a straight shank with 3 flutes. This HHIP Interchangeable Pilot Counterbore Set is perfect for any job requiring precision and accuracy. The fitted case makes it easy to store and transport, while the 14 pilots and 6 counterbores provide a wide range of options for different jobs. The holder with a 3/8" shank and straight shank with 3 flutes ensure that you can get the job done quickly and easily. Whether you're a professional or a DIY enthusiast, this set is sure to come in handy.

Amana Tool

9.2
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The Amana Tool 55288 Carbide Tipped Counterbore 5/8 Dia x 1/4 Quick Release Hex Shank is an essential tool for any woodworking project. It is designed to create flat bottom counterbores for using roun...d head screws, hex bolts, and other fasteners. This counterbore features a 5/8 diameter, a 1/4 shank, and an overall length of 2-3/4 inches. It also includes a replacement drill, 630-702, to ensure that you have the right size for any job. The counterbore is made from high-quality carbide tipped steel, making it incredibly durable and long-lasting. It is designed to provide a precise and clean cut, allowing you to achieve professional-grade results with every project. The quick release hex shank makes it easy to attach and remove the counterbore from your drill, saving you time and effort. The Amana Tool 55288 Carbide Tipped Counterbore 5/8 Dia x 1/4 Quick Release Hex Shank is an essential tool for any woodworking project. With its high-quality construction and precise cutting capabilities, you can be sure that you’ll get the best results every time.

Snappy Tools Quick

9.2
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The Snappy Tools Quick-Change 5-Pc. Countersink Drill Bit Set is the perfect tool for any woodworking project. Proudly made in the USA, this set is designed to drill, countersink and counter bore in o...ne step and is ideal for plugs or dowel buttons. The 1/4" hex shank can be used with power drills and quick-change chucks. This set includes 5 Gold Screw Countersinks: 5/64x3/8, 3/32x3/8, 7/64x3/8, 1/8x3/8 & 9/64x1/2. These countersinks are made of alloy steel and are thru hardened with a 82 degree countersink angle. The drill bits are adjustable for different length screws with a 3/8" or 1/2" diameter counter bore. Your drill will not slip when using large 1/4" socket head screws. Experience the higher quality of Snappy Tools. Combining higher quality materials and patented technology, Snappy delivers industrial quality tools to the tradesman and do-it-yourself markets at an affordable price. With the Snappy Tools Quick-Change 5-Pc. Countersink Drill Bit Set, you can be sure that your woodworking project will be done quickly and accurately.

Snappy Tools 1/8 Inch x 3/8 Inch 3

9.2
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4. Coating: TiN coated twist drill The Snappy Tools 1/8 Inch x 3/8 Inch 3-Flute Flat Bottom Counterbore with TiN coated twist drill #32408 is an indispensable tool for any job. This counterbore dri...ll is designed to drill a pilot hole and counterbore a flat bottomed hole in one step. It is perfect for lag screws, lag bolts, washer head screws, T-nuts and more. This counterbore drill features a 1/4 Inch Hex Power Bit Shank, 1/8 Inch Drill Size and 3/8 Inch Counterbore Size. The TiN coated twist drill provides extra strength and durability for the most demanding jobs. This counterbore drill is easy to use and will make any project easier and faster. The Snappy Tools 1/8 Inch x 3/8 Inch 3-Flute Flat Bottom Counterbore with TiN coated twist drill #32408 is a must-have tool for any job.

JNB Pro Wood Countersink Drill Bit Set

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The JNB Pro Wood Countersink Drill Bit Set - 5 Pc Adjustable Countersink Bit #4(7/64") #6(9/64") #8(11/64") #10(3/16") #12(7/32") is the perfect tool for fast and accurate drilling on hardwood, softwo...od, plywood, particle board, MDF and PVC. The drill bits are tapered to provide accurate pilot holes and the set comes with a stop collar and hex wrench, all stored in a handy container. The 1/4" hex shank is universal and fits all quick change chucks. The drill bits are made with High Speed Steel M2 (6542 grade) and Carbon Steel #45 Countersink Cutters, coated with Black Oxide to prevent rusting. The adjustable stop collar allows you to adjust the counterbore depth and the adjustable cutters can be adjusted for many screw sizes. This set is perfect for woodworking, and is also known as Juego De Brocas Avellanadoras Para Madera, Avellanadores Para Madera, Juego De Brocas Para Avellanar, and Broca De Avellanado. For quality and value, this product is manufactured in China under JNB Pro requirements. The High Speed Steel M2 (6542 grade) Drill Bit and Carbon Steel #45 Sink Cutters provide the same quality as USA made products. If you are not satisfied with the product, you are invited to return or have the product replaced. Your satisfaction is the goal of JNB Pro.

uxcell Chucking Reamer Set Lathe Machine Reamer Straight Flute Milling Cutter High Speed Steel H8 Tolerance...

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6. Benefits: Improves precision and accuracy of holes, reduce surface roughness, and increase the tool life. 7. Maintenance: Clean the reamer with a soft brush and a mild detergent solution. Store the reamer in a dry place.

POWLAB 5pcs Counterbore Set High

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The POWLAB 5pcs Counterbore Set is a must-have tool for any industrial or manufacturing setting. This set features five high-speed steel counterbore end mills in sizes M3-M8 and four flutes. These mil...l cutters are made of hard high speed steel, which is designed to be used on milling machines. With their high toughness, abrasion resistance, and high-speed cutting capabilities, these counterbore end mills are perfect for milling copper, aluminum, steel, and cast iron. The POWLAB 5pcs Counterbore Set is designed to reduce the times of changing tools, improve machine actuator movement efficiency, and save mold making time. The set includes five sizes in one counterbore set (m3, m4, m5, m6, m8). Please refer to the size chart for detailed data. This set is an essential hardware tool for industrial and manufacturing settings.

Chiloskit 5pcs M3

8.8
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The Chiloskit 5pcs M3-M8 Pilot Slotting Counterbore Mould End Mill Cutter Solid Slot Countersink End Mill Drill Bit is an essential tool for any woodworking or metalworking project. This set includes ...5 pieces of HSS Countersink End Mill Cutters Drill Bits, with sizes M3, M4, M5, M6, and M8. This set is perfect for milling of copper, aluminum, tool steel, cast iron, and other materials. The mill cutter is designed to be used with milling machines, and is suitable for carving and high-speed machines. It is made from high-toughness, abrasion-resistant material, allowing for high-speed cutting of hard materials. This set of 5 pieces can reduce the number of tool changes, improving the movement rhythm of machine actuators and saving mold making time. Overall, the Chiloskit 5pcs M3-M8 Pilot Slotting Counterbore Mould End Mill Cutter Solid Slot Countersink End Mill Drill Bit is an ideal choice for any woodworking or metalworking project. It is made from high-quality materials and is suitable for a wide range of materials. It can help reduce the number of tool changes and improve the movement rhythm of machine actuators, saving time and effort.

Meichoon Forstner Drill Bit Set 15

8.8
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6. Easy to use - With a sharp edge, it is easy to use, and the cutting is smooth. The handle is comfortable and easy to grip, and the opening position is accurate and clear. 7. Easy to store - Comes with a plastic storage case, which is very convenient for storage and carrying.

HHIP 2007

8.8
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The HHIP 2007-0064 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore is a high-quality and reliable tool designed to cut rapidly, smoothly, and accurately. It is made of high-speed steel... and features a cap screw of M10, cutter diameter of 18.0mm, shank diameter of 12.5mm, and overall length of 100mm. The pilot diameter is 11.0mm and extends the full length of the flute portion of the tool. The tool is designed to produce long spiraling chips rather than small metal particles. As the cutter flutes become worn due to use, a new section of pilot is exposed. The pilot head can be cut off to any desired length when repeated sharpening makes it too long for practical use. This allows for a longer lifespan of the counterbore and makes it a durable and cost-effective option. The HHIP 2007-0064 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore is an ideal tool for a variety of applications, including precision machining and drilling. It is designed to provide superior performance and reliability and is backed by a limited lifetime warranty.

Accusize Industrial Tools Premium Metric H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pc, 509S

8.8
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Accusize Industrial Tools Premium Metric H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pc, 509S-007M is a high-quality set of tools for creating a recess in a workpiece for the he...ad of a cap screw. This set is made with high-speed steel and has a bright finished, making it perfect for any industrial application. This set includes seven pieces, each of which is metric: M3, M4, M5, M6, M8, M10, and M12. The cap screw counterbores are perfect for creating a flush or countersunk appearance for the heads of the cap screws on a workpiece. This allows for a more aesthetically pleasing look and can also reduce the risk of the cap screw becoming loose over time. The cap screw counterbores are also useful when attaching components to a workpiece using cap screws. This is because the counterbore can create a recess in the workpiece that is sized to fit the head of the cap screw. This prevents the head of the cap screw from protruding from the workpiece, making it easier to attach the component. Overall, the Accusize Industrial Tools Premium Metric H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pc, 509S-007M is a great set of tools for creating a recess in a workpiece for the head of a cap screw. It is made with high-speed steel and has a bright finished, making it perfect for any industrial application. The set is also useful for creating a flush or countersunk appearance for the heads of the cap screws on a workpiece and for attaching components to a workpiece using cap screws.

Drill America

8.6
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Drill America's Qualtech High-Speed Steel Pilot for Counterbore, 3/16" Shank Diameter, 1-3/4" Overall Length, and 1/4" Size (DEWPIL1/4X3/16 DEWCBR Series) is the perfect tool for any job. This high-sp...eed steel pilot tool is designed to provide superior performance in most general purpose applications. It offers a combination of hardness and toughness that helps to resist wear and tear, making it a great choice for a wide variety of tasks. The 3/16-inches shank diameter ensures a secure fit, while the 1-3/4-inches overall length provides the necessary reach for a wide range of applications. The 1/4-inches size is the perfect size for precision work, giving you the precision you need to get the job done right. This Drill America Qualtech High-Speed Steel Pilot for Counterbore is a great choice for any job that requires precision and durability. With its combination of hardness and toughness, it is sure to stand up to the toughest tasks. Plus, its 3/16-inches shank diameter and 1-3/4-inches overall length make it perfect for a wide range of applications.

Forstner Drill Bit Set 16pcs 15

8.6
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The Forstner Drill Bit Set 16pcs 15-35mm Punching Bit Wood Slabs Flat Wing Drilling Hole Hinge Cemented Carbide Drilling Count is an essential tool for any wood work lover. This drill bit is made of h...igh quality metal material, which is high strength, wearable and durable. The bit includes a center point which guides it throughout the cut and incidentally spoils the otherwise flat bottom of the hole. The cylindrical cutter around the perimeter shears the wood fibers at the edge of the bore, and also helps guide the bit into the material more precisely. Made from high quality carbide tungsten steel and being hot-treated,sharp edge,high hardness, accurate positioning,high precision,smooth cutting,impact resistance,high toughness.more smooth,less noise. This drill bit set is suitable for pistol drill, bench drill, vertical drilling machine hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine,etc.Perfect used for drilling precision holes in most of different types of wood, such as drawer, mounting spherical door shoot tip, perforation on wood products, and plastic products etc. This set includes 16 pieces of drill bits with sizes ranging from 15mm(19/32"), 16mm(5/8"), 17mm(43/64"), 18mm(45/64"), 19mm(3/4"), 20mm(25/32"), 21mm(53/64"), 22mm(55/64"), 23mm(29/32"), 24mm(15/16"), 25mm(1"), 26mm(1-1/16"), 28mm(1-1/8"), 30mm(1-3/16"), 32mm(1-1/4"), 35mm(1-3/8"), which can meet your various needs in this professional set,drill clean flat bottom holes with no chipping,perfect to enlarge existing holes and bore any arc you need.

JNB Pro Wood Countersink Drill Bit Set & Wood Plug Cutters

8.4
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The JNB Pro Wood Countersink Drill Bit Set & Wood Plug Cutters-2 Pc Adjustable Countersink Bit #8(7/64") #12(7/32") and 2 Wood Plug Cutters 3/8" and 1/2" is the perfect solution for woodworking projec...ts. This set includes two pieces of adjustable countersink and counterbore cutters with HSS M2 tapered drill bit (for up to 3/8" and 1/2" screws head), two wood plug or dowel cutters 3/8" and 1/2" diameter, and one hex wrench. The set is imperial units of measurements (not metric). This set is also known as adjustable countersink, countersink bits for wood, dowel maker, plug cutter for woodworking, and plug cutter kit. The quick change 1/4" shank is universal size, compatible with all 1/4" quick change chucks. The countersink and counterbore cutters are adjustable for many screw sizes, making it easy to make perfect and clean holes to be filled with wood plugs or wood dowels. The plug cutters must be used with a drill press to achieve the perfect diameter; they are not designed to be used with a hand drill. Our countersink drills and plug cutters are manufactured in China under JNB Pro requirements. High speed steel M2 (6542 grade) drill bit and carbon steel #45 sink and plug cutters are coated with black oxide anti-corrosion, making our product have better or same quality as USA made. If for any reason you are not satisfied with the product, you are invited to return or have product replaced. Your satisfaction is our goal.

HHIP 2007

8.2
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The HHIP 2007-0107 3/8 x 1/2 HSS 2 Flute Solid Cap Screw Counterbore is an essential tool for any job involving socket head cap screws. This counterbore is made of high speed steel and has a 3/8 inch ...size and a pilot size of 3/8 inch. The cutting diameter is 19/32 inch and the shank diameter is 1/2 inch. The overall length of this counterbore is 4-3/8 inches, making it perfect for a variety of applications. This counterbore is designed for straight shank applications, meaning it can be used for a variety of projects. The high speed steel construction provides durability and strength, making it suitable for a variety of tasks. This counterbore is also designed to be easy to use and can be used with a variety of tools. The HHIP 2007-0107 3/8 x 1/2 HSS 2 Flute Solid Cap Screw Counterbore is a great tool for any job that requires a socket head cap screw. Its high speed steel construction and 4-3/8 inch length make it perfect for a variety of projects. This counterbore is also designed to be easy to use and can be used with a variety of tools.

Amana Tool

8.2
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Amana Tool® is an industry leader in providing quality tools and solutions for over 40 years. With a commitment to offering the highest consistent quality and innovative products, Amana Tool® is ded...icated to consistently providing the highest quality for manufacturers, fabricators, display and cabinet professionals. Our corporate headquarters and warehouse, located in New York, U.S.A., is a testament to our commitment to providing excellent products and services. The Amana Tool® (424000) Face Frame Counterbore No.1 is a perfect example of the quality and innovation that Amana Tool® provides. This tool features five key features that make it a great choice for any professional. First, it is an industry leader for over 40 years. Second, it is committed to offering the highest consistent quality and innovative products. Third, it provides solutions for manufacturers, fabricators, display and cabinet professionals. Fourth, it has a U.S.A. corporate headquarters and warehouse located in New York. Fifth, it offers a commitment to offer the highest consistent quality and innovative products. The Amana Tool® (424000) Face Frame Counterbore No.1 is the perfect tool for any professional looking for quality and innovation. With its commitment to providing the highest quality and innovative products, it is sure to meet the needs of any professional. Whether you are a manufacturer, fabricator, display or cabinet professional, the Amana Tool® (424000) Face Frame Counterbore No.1 is the perfect choice.

HHIP 2007

8
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The HHIP 2007-0016 1/4 x 9/32 HSS 3 Flute Solid Pilot Counterbore is a high-quality tool designed to quickly, smoothly, and accurately cut through materials with ease. Featuring a cap screw of 1/4", a... cutter diameter of 13/32", a pilot diameter of 9/32", and a shank diameter of 3/8", this tool is designed to be incredibly precise and efficient. The continuous pilot counterbores of this tool produce long spiraling chips rather than small metal particles, and the pilot extends the full length of the flute portion of the tool. This allows for the pilot head to be cut off to any desired length when repeated sharpening makes it too long for practical use, and the continuous pilot counterbores have a life many times that of the conventional type counterbore. The HHIP 2007-0016 1/4 x 9/32 HSS 3 Flute Solid Pilot Counterbore is the perfect tool for any job requiring precision and accuracy. With its high-speed steel construction, this tool is designed to last and provide excellent results time and time again.

Drill America DEWCBR Series Qualtech High

8.4
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Counterbores