Accusize Industrial Tools 508S-0007 H.S.S. Solid Cap Screw Counterbore Set









- Inch Set (7 PC) - 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
- High Speed Steel. Straight Shank.
- Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw.
- Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance.
- Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece.
Accusize Industrial Tools 3620-0121 21 Pcs Hss Interchangeable Pilot Counterbore Set









- Supplied in a fitted case.
- 14 pilots with a 5/32 inch 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.
- 6 counterbores including 5/16, 3/8, 7/16, 1/2, 9/16 and 5/8
- 1 Holder with a 3/8 inch shank.
- Versatile Pilot Range - Includes 14 pilot sizes from 0.187 inch to 7/16", catering to diverse machining requirements.
- Comprehensive Counterbores - Features 6 counterbores from 5/16 inch to 5/8", designed for precision and compatibility.
- Efficient Design - Comes with a 3/8 inch straight shank holder, enhancing the set's usability across various applications.
- Durability & Longevity - Crafted from high-speed steel for durability, ensuring prolonged tool life and consistent performance.
- Organized & Protected - The aluminum fitted case provides secure storage and organization, protecting tools from damage.
Powlab BI0W04W872 5Pcs Counterbore Set High-Speed Steel M3-M8 4 Flutes Hss-Al Straight Shank Counterbore End Mills







- Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine.
- It includes 5 sizes in one counterbore set(m3, m4, m5, m6, m8).Please refer to the size chart for detailed data.
- High toughness, abrasion resistance, high-speed cutting for the high hardness.
- Reduces times of changing tools, improves machine actuator movement efficiency and save mold making time.
- Suitable for milling of copper, aluminum, steel, cast iron, etc.An essential hardware tool for industrial.
Hhip 2007-0023 21 Pieces Hss Interchangeable Pilot Counterbore Set






Accusize Industrial Tools 509S-0007 7 Pc'' H.S.S. Solid Capscrew Counterbore Set 3 Flute Straight Shank









- Inch Size Versatility - Features sizes #6, #8, #10, 1/4'', 5/16'', 3/8'', and 1/2'', addressing a wide range of countersinking needs.
- Durable HSS Material - Constructed from high-speed steel (6542) for exceptional longevity and cutting performance.
- Efficient 3-Flute Design - Optimizes chip removal and finish quality, suitable for precision machining tasks.
- Universal Straight Shank - Ensures compatibility with various drilling and milling machines for versatile use.
- Precision Engineered - Offers exact pilot and cutting diameters, from 0.16 inch to 17/32 inch and 0.242 inch to 25/32 inch respectively, ensuring accurate countersinks.
- High Speed Steel. Straight Shank. Inch Set (7 PC) - 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
- Bright Finished. Premium Quality
- Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw.
- Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance.
- Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece.
Accusize Industrial Tools 508S-007M 7 Pc Metric Hss Solid Capscrew Counterbore Set









- Metric Set (7PC) - M3, M4, M5, M6, M8, M10, M12. 3 Flute.
- High Speed Steel. Straight Shank.
- Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw.
- Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance.
- Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece.
Akozon AKOZON186GPWNBZ3 5Pcs M3-M8 Slotting Counterbore End Mill Cutter Solid Slot Countersink End Mill Drill Bit









- Main purpose - Countersunk end mill is a specially manufactured tool, mainly used to cut holes that allow bolts or screw heads to be screwed into.
- High precision - The cutting hole and bottom hole of this tool have high alignment accuracy. Because of its high production efficiency, it is often used in the machining industry.
- High-quality - The Counterbore End Mill Cutters is made of hard high-speed steel, with high toughness, wear , and high hardness for high-speed cutting; it is usually used for assembly on a milling machine.
- More time-saving - Countersunk cutters reduce the time to change tools, improve the efficiency of machine actuator movement and save manufacturing time.
- Wide range of applications - Counterbore bit set is suitable for milling of copper, aluminum, steel, cast iron, etc., and can be directly processed or finely processed to heat treatments.
Prolinemax 59445 Interchangeable Pilot Counterbore Set 21Pcs/Set








- Straight Shank; SET INCLUDING
- * 6 counterbores - 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', And 5/8''
- * 14 Piolts With A 5/32'' Shank - 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''
- * 1 Holder 3/8 inch Shank
- * 1 Storage Case _ CASE MAY VARY
Watris Veiyi WVSD45EH 5Pcs Counterbore Drill Bit Set









- High Speed Steel - Made of HSS-AL hard high speed steel, with high toughness, abrasion resistance, high-speed cutting for the high hardness.
- Professional Tool - Mainly used to cut holes that allow bolts or screw heads to be screwed into. Can be processed directly or finely processed to the heat treatment tool.
- High Alignment Precision - The end mill cutter cuts hole and bottom hole with high alignment precision. Due to its high production efficiency, it is commonly used in the machining industry.
- Improve Efficiency - Reduce the time of changing tool, improve the efficiency of machine actuator movement, and save tool making time.
- Widely Use - Countersink drill bit set is suitable for grinding copper, aluminum, steel, cast iron, etc. Usually used for assembling on a milling machine.
Shars 404-7376 40 Pc 3 Flute Hss Straight Shank Interchangeable Pilot Counterbore Set 404-7376 L)

Drill America DEWA/CCBR3/8 Dewcbr Series Qualtech High-Speed Steel Aircraft Counterbore




- Aircraft counterbore
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Round shanks allow use with a wide variety of toolholding systems
- Counterboring is the enlargement of a portion of a hole that has previously been formed
- The counterbor is a two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangeable, which provides flexibility in the use of the tool
Dbm Imports 52903 7 Pcs Hss Solid Cap Screw Counterbore Set 6# 8 10 1/4 5/16 3/8 1/2 Sizes




- 7 Pcs HSS Solid Cap screw Counterbore Set 6# 8 10 1/4 5/16 3/8 1/2 Sizes
- Used For Expanding General Rough Hole Or Hole Processing For Bolts
- Smooth Chip Flow And Powerful Cutting Resistance Because Of 3 Lips For Regrinding
- High Speed Steel; Storage Case Included (Case May Vary)
- Case Dim L x W x H (in) - 9 x 5-1/2 x 2-1/4
Accusize Industrial Tools 508S-0007+007M 14 Pc H.S.S. Counterbore Set









- High Speed Steel. Inch Set (7 PC) - 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
- Metric Set (7PC) - M3, M4, M5, M6, M8, M10, M12. Straight Shank. Counterbore Set
- Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw.
- Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance.
- Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece.
- Versatile Range - Covers screw sizes #6 to 1/2 inch and M3 to M12, suitable for diverse machining tasks.
- Precision Engineering - Features 3-flute, high-speed steel construction for efficient material removal and longevity.
- Adaptable Fit - Straight shank design ensures compatibility with a wide range of drilling and milling machines.
- Comprehensive Set - Includes pilot diameters from 0.16"/3.4mm to 17/32"/14mm and cutting diameters up to 25/32"/20mm.
- Size Variety - Shank diameters range from 7/32 inch to 3/4 inch (inch) and 7/32 inch to 5/8 inch (metric), with overall lengths of 3 inch to 7-1/2".
Cme Tools 510-001 7 Pc High-Speed Steel Counterbore Set


- 3 Flute; Spiral Flute
- Used to create counterbore holes in a workpiece to allow for socket head screws to sit below or flush with the surface of a workpiece
- Included Sizes (Bolt Size) - No. 6, No. 8, No. 10, 1/4", 5/16", 3/8", 1/2 inch
- High-Speed Steel; Excellent toughness, wear resistance, and red hardness
- Each counterbore comes with a built-in pilot to maintain alignment while drilling
Hhip 2007-0001 M4-M12 Hss 3 Flute Straight Shank Solid Pilot Counterbore 6-Piece Set





- Made of high speed steel
- Continuous pilot counterbores cut rapidly, smoothly and accurately, producing long spiraling chips rather than small metal particles
- The pilot extends the full length of the flute portion of the tool
- As cutter flutes are ground back due to wear, a new section of pilot becomes exposed
- The pilot head may be cut off to any desired length when repeated sharpening makes it too long for practical use; Continuous pilot counterbores have a life many times that of the conventional type counterbore
Accusize Industrial Tools 509S-0007+007M 14 Pc H.S.S. Premium Counterbore Set 3 Flute Straight Shank









- Bright Finished. Premium Quality. High Speed Steel. Straight Shank. Metric Set(7 Pcs/Set) - M3, M4, M5, M6, M8, M10, & M12
- Metric Set (7PC) - M3, M4, M5, M6, M8, M10, M12. Straight Shank. Counterbore Set
- Cap screw counterbores are tools that are used to create a recess in a workpiece for the head of a cap screw. You might use a cap screw counterbore when you need to attach a component to your workpiece using cap screws, and the component has a thickness that is greater than the length of the cap screw.
- Another reason you might use a cap screw counterbore is if you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece. A cap screw counterbore allows you to create a recess in the workpiece that is sized to fit the head of the cap screw, giving the screw a flush or countersunk appearance.
- Overall, cap screw counterbores can be useful when you need to attach components to a workpiece using cap screws, or when you want to create a flush or countersunk appearance for the heads of the cap screws on your workpiece.
Amana Tool 55288 Carbide Tipped Counterbore 5/8 Dia X 1/4 Quick Release Hex Shank






O'Skool DB11 O’Skool 9/32 Inch X 1/2 Inch Counterbore Drill





- Drive Shank - 25/64 Inch (10mm), Drill Size - 9/32 Inch (7mm), Counterbore Size - 1/2 Inch, Drill Length - 4 Inch, Counterbore Length - 15/16 Inch
- Professional Finishing - A flat countersunk drill bit creates a clean, professional finish for woodworking projects. The recessed hole seats the screw head neatly, enhancing the appearance. Moreover, the counterbore center hole provides a slightly larger space than a 1/4 inch screw, allowing you to make fine adjustments before locking two workpieces together.
- Compatible with Styles of 1/4 inch Screws - Flat countersink drill bits are versatile and work well with various screws, including furniture screws, round screws, and even some socket-head screws. This versatility makes them suitable for a wide range of projects.
- Simplified Drilling Process - A counterbore drill bit combines two steps into one drilling the recessed hole and the through hole which saves time and effort during the drilling process. This drill bit ensures the inner and outer holes are perfectly concentric.
- Reduced Splitting - When fastening materials like wood, using a flat countersink drill bit helps prevent the wood from splitting.
Make It Snappy 32408 Tools 1/8 Inch X 3/8 Inch 3-Flute Flat Bottom Counterbore



- Drive Shank - 1/4 Inch Hex Power Bit Shank
- Drill Size - 1/8 Inch
- Counterbore Size - 3/8 Inch
Lle M35 Hss-Co Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill







- Universal round handle, not easy to slip, firm and durable.
- M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast.
- Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast.
- 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation.