How to Clean Drill Bits?

20 minutes read

Cleaning drill bits is an important maintenance task to keep them in good working condition and extend their lifespan. Here are the steps to clean drill bits:

  1. Start by removing any build-up or debris from the drill bit. Use a wire brush or toothbrush to scrub away any dirt, dust, or grime on the surface of the bit.
  2. Fill a container with a degreasing solution or a mild cleaning agent, such as dish soap mixed with warm water. Make sure the container is large enough to fully submerge the drill bits.
  3. Place the dirty drill bits into the container and let them soak for about 10-15 minutes. This will help loosen any stubborn dirt or grease on the bits.
  4. After soaking, take a soft brush or toothbrush and scrub the drill bits thoroughly. Pay attention to the flutes or grooves on the bit where debris tends to accumulate.
  5. Rinse the drill bits with clean water to remove any remaining cleaning solution or soap residue. Ensure that all surfaces are thoroughly cleaned.
  6. Inspect the drill bits for any remaining dirt or damage. If there is still dirt present, repeat the soaking and brushing process until the bits are clean.
  7. Once the drill bits are clean, dry them thoroughly with a clean cloth or allow them to air dry. Moisture can lead to rust, so it's important to ensure they are completely dry before storing them.
  8. Optionally, you can apply a light coat of rust-resistant oil or lubricant to the cleaned drill bits. This will help prevent rust and corrosion during storage.


Remember, maintaining clean drill bits is crucial for optimal performance and longevity. Regular cleaning will also prevent debris from affecting the quality of your work and minimize the risk of overheating your drill.

Best Drill Bits of 2024

1
Drill America - DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), DWDCO Series

Rating is 5 out of 5

Drill America - DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), DWDCO Series

  • Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
  • Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
  • Gold oxide finish lubricates the drill bit and provides wear resistance
  • Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
  • Meets ANSI specifications
2
DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

Rating is 4.9 out of 5

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

  • DEWALT drill bit set has connectable accessory storage system to optimize storage space
  • Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement
  • Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance
  • Clip latch for secure closing
  • Small Bulk Storage size fits inside the Small and Medium ToughCase plus (sold separately) - Ideal for organizing loose bits
  • Includes: 1/16" x 2, 5/64" x 2, 3/32" x 2, 7/64" x 2, 1/8" x 2, 9/64" x 1, 5/32" x 1, 11/64" x 1, 3/16" x 1, 13/64" x 1, 7/32" x 1, 15/64" x 1, 1/4 x 1, 5/16" x 1, 3/8" x 1, 1/2" x 1
  • Tapered web provides greater durability to reduce breaking.
  • Drill Bit Set includes sizes from 1/16-inch to 1/2-inch in a plastic tough case.
3
TICONN 21 PCS Titanium Coated Drill Bit Set with Hex Shank, 135 Degree Tip High Speed Steel Drill Bits Kit with Storage Case for Steel, Aluminum, Copper, Soft Alloy Steel Size from 1/16" to 1/2"

Rating is 4.8 out of 5

TICONN 21 PCS Titanium Coated Drill Bit Set with Hex Shank, 135 Degree Tip High Speed Steel Drill Bits Kit with Storage Case for Steel, Aluminum, Copper, Soft Alloy Steel Size from 1/16" to 1/2"

  • [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
  • [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
  • [SIZE LIST] 16 different sizes including 1/8", 7/64", 3/32'', 5/64", and 1/16" two pieces for each size. And 9/64", 5/32", 11/64", 3/16", 13/64'', 7/32", 15/64", 1/4", 5/16'', 3/8'' and 1/2'', one piece for each size
  • [EXTRA CENTER PUNCH] A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely.
  • [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and 12 months warranty. 100% Satisfaction Guarantee for risk-free shopping!
4
DEWALT Titanium Nitride Drill Bit Set, 21-Piece (DW1342)

Rating is 4.7 out of 5

DEWALT Titanium Nitride Drill Bit Set, 21-Piece (DW1342)

  • Speed Tip Reduces Walking
  • Ideal for drilling in metal, wood, and plastics
  • No spin shanks
  • Includes tough case container to keep bits organized
  • Titanium Nitride Coating for Longer Life
  • Bit case may differ from what is shown
5
amoolo Hex Shank Drill Bit Set (13Pcs Set+3 Pcs Free), Premium 4341 HSS Titanium Impact Hex Drill Bits for Wood, Steel, Metal, Plastic, Quick Change Design (1/16”-1/4”)

Rating is 4.6 out of 5

amoolo Hex Shank Drill Bit Set (13Pcs Set+3 Pcs Free), Premium 4341 HSS Titanium Impact Hex Drill Bits for Wood, Steel, Metal, Plastic, Quick Change Design (1/16”-1/4”)

6
TICONN 99PCS Titanium Coated Drill Bit Set, 135 Degree Tip HSS Bits Kit with Storage Case for Aluminum, Copper, Soft Alloy Steel, Wood, Plastic Size from 1/16" to 3/8"

Rating is 4.5 out of 5

TICONN 99PCS Titanium Coated Drill Bit Set, 135 Degree Tip HSS Bits Kit with Storage Case for Aluminum, Copper, Soft Alloy Steel, Wood, Plastic Size from 1/16" to 3/8"

  • [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
  • [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
  • [SIZE LIST] 14 different sizes including 16PCS 1/16", 16PCS 5/64", 15PCS 3/32", 10PCS 7/64", 10PCS 1/8", 8PCS 9/64", 8PCS 5/32", 3PCS 11/64", 3PCS 3/16", 2PCS 13/64", 2PCS 7/32", 2PCS 1/4", 2PCS 5/16", and 2PCS 3/8"
  • [EXTRA CENTER PUNCH] A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely.
  • [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and lifetime warranty. 100% Satisfaction Guarantee for risk-free shopping!
7
COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"

Rating is 4.4 out of 5

COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"

  • HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong
  • TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.
  • PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
  • SIZE INCLUDED: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16" 2pc,5/64" 1pc ,3/32" 2pc,7/64" 1pc,1/8" 2pc ,9/64" 1pc, 5/32" 1pc, 3/16" 1pc, 7/32" 1pc, 1/4" 1pc, 5/16" 1pc, 3/8" 1pc.
  • 100% SATISFACTION GUARANTEE: If you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact us.


How to safely clean drill bits?

Cleaning drill bits is vital to maintain their effectiveness and longevity. Here are some steps to safely clean drill bits:

  1. Prepare the necessary materials: You will need safety goggles or glasses, rubber gloves, a container/bowl, a wire brush, a soft brush, a toothbrush, mild dish soap or cleaner, and a towel.
  2. Safety first: Put on your safety goggles or glasses and rubber gloves before starting the cleaning process to protect your eyes and hands.
  3. Remove excess debris: Wipe off any visible debris from the drill bits using a clean towel or tissue paper. Try to remove as much dirt, dust, or grime as possible from the surface before proceeding to the next steps.
  4. Soak the drill bits: Fill a container or bowl with warm water and add a few drops of mild dish soap or cleaner. Submerge the drill bits in the soapy water and let them soak for around 10-15 minutes. This will help loosen any stubborn dirt or debris stuck on the bits.
  5. Scrub with a wire brush: After soaking, take out one drill bit at a time and use a wire brush to scrub off the remaining debris. Hold the drill bit firmly and brush all around its surface. Be cautious not to apply excessive force or be too rough, as this may damage the bit.
  6. Clean with a soft brush or toothbrush: To reach all the smaller crevices, use a soft brush or toothbrush. Gently scrub the drill bit to remove any remaining dirt or grime. Ensure you clean both the flutes (spiral grooves) and the cutting edges thoroughly.
  7. Rinse and dry: Rinse the drill bits with clean water to remove any soap residue. Pat them dry using a clean towel or let them air dry completely before returning them to their storage place.
  8. Optional: Lubricate: If desired, you can apply a small amount of lubricant or corrosion-resistant oil to the drill bits to prevent rust. However, ensure you wipe off any excess lubricant before using the bits again.


Cleaning drill bits regularly will help maintain their performance and extend their lifespan. Always follow safety precautions and make sure the drill bits are completely dry before storage or usage.


What is the proper technique for cleaning cobalt drill bits?

Cleaning cobalt drill bits is important to maintain their sharpness and prolong their lifespan. Here is the proper technique for cleaning cobalt drill bits:

  1. Safety first: Put on gloves and safety glasses before handling the drill bits to protect yourself.
  2. Remove debris: Use a clean, dry cloth or a brush to remove any large debris such as wood or metal shavings from the drill bits. It is important to do this step while the bits are still warm to prevent the debris from adhering to the metal.
  3. Prepare cleaning solution: In a container, mix warm water with a mild detergent or dish soap. Ensure the water is warm, but not hot, as excessive heat may affect the cobalt coating.
  4. Soak the bits: Immerse the cobalt drill bits in the soapy water and let them soak for a few minutes. This will help to soften and loosen any residue or built-up dirt on the bits.
  5. Scrub the bits: After soaking, use a soft-bristled brush or an old toothbrush to gently scrub the drill bits. Pay extra attention to the flutes, grooves, and cutting edges, as these are the areas where debris tends to accumulate the most.
  6. Rinse thoroughly: Rinse the drill bits under running water to remove all the soap and loosened debris. This step is crucial as any soap residue left on the cobalt bits can cause corrosion over time.
  7. Dry the bits: Use a clean cloth or paper towel to thoroughly dry each bit. Make sure there is no moisture left on the surface to prevent rust formation.
  8. Apply lubrication: To further protect your cobalt drill bits, apply a thin coat of lubricant or rust inhibitor. This can be done by dipping a cloth or paper towel in the lubricant and gently rubbing it over the surface of the bits.
  9. Storage: Once cleaned, dried, and lubricated, store your cobalt drill bits in a clean and dry place, preferably in a designated case or container to prevent them from getting damaged or mixed up with other tools.


Regularly cleaning and maintaining your cobalt drill bits will help to keep them in optimal condition, ensuring efficient and accurate drilling performance.


How to remove dirt and debris from drill bits?

To remove dirt and debris from drill bits, follow these steps:

  1. Safety first: Ensure that the drill is turned off and unplugged before you begin cleaning the drill bits.
  2. Remove the drill bit: Loosen the chuck on the drill to remove the drill bit. Different drills may have different chuck mechanisms, so refer to your drill's manual if needed.
  3. Inspect the drill bit: Examine the drill bit for visible dirt, debris, or residue. Depending on the type of material you drilled into, you may find dust, wood chips, metal shavings, or other debris.
  4. Brush off loose debris: Use a stiff bristle brush (such as a toothbrush or a small wire brush) to brush off any loose dirt or debris from the drill bit. Ensure you brush away from your body and any nearby objects to avoid injuries.
  5. Soak in a cleaning solution: Prepare a cleaning solution by mixing warm water and mild detergent or dish soap in a bucket or container. Place the drill bit in the cleaning solution and let it soak for a few minutes. This will help loosen any stubborn grime.
  6. Scrub the drill bit: Take a clean brush and scrub the drill bit while it is still in the cleaning solution. Make sure you reach all the crevices and surfaces to remove any remaining dirt. For tough dirt or residue, you can use an old toothbrush or a fine wire brush.
  7. Rinse the drill bit: Once the dirt and debris are removed, rinse the drill bit under warm running water to wash away any remaining cleaning solution.
  8. Dry the drill bit: Use a clean towel or cloth to dry the drill bit thoroughly. Ensure there is no moisture left on the drill bit, as it can potentially lead to rust.
  9. Reassemble and store: Once the drill bit is dry, reattach it to the drill by tightening the chuck. Store the drill and drill bits in a clean and dry area, away from moisture or extreme temperature changes.


By following these steps, you can effectively remove dirt and debris from your drill bits, helping to prolong their lifespan and ensure optimal performance.


How to sanitize drill bits?

To sanitize your drill bits, you can follow the following steps:

  1. Disassemble the drill bits: Start by separating the drill bit from the drill. If your drill bits are attached to different accessories or holders, detach them as well.
  2. Clean with a brush: Use a stiff brush, such as a toothbrush or wire brush, to remove any loose dirt, debris, or grime from the drill bits. Scrub them thoroughly to ensure all surfaces are cleaned.
  3. Prepare a sanitizing solution: Mix a sanitizing solution by diluting bleach or rubbing alcohol with water. You can use a ratio of 1 part bleach or rubbing alcohol to 10 parts water. Ensure the solution is well mixed.
  4. Soak the drill bits: Place the drill bits in the sanitizing solution and let them soak for about 10-15 minutes. This will help kill any bacteria or germs present on the surfaces.
  5. Scrub the bits again: After soaking, take the drill bits out of the sanitizing solution and scrub them once again with the brush. This helps remove any remaining dirt or residue.
  6. Rinse the drill bits: Rinse the drill bits thoroughly with clean water to remove any traces of the sanitizing solution.
  7. Dry the drill bits: Pat the drill bits dry using a clean towel or rag. Ensure that no moisture is left on the bits, as it can lead to rust or corrosion.
  8. Reassemble and store: Once the drill bits are completely dry, reassemble them if necessary and store them in a clean and dry location.


Note: It is important to wear appropriate protective gear, such as gloves and eye protection, when handling chemicals like bleach or rubbing alcohol. Also, make sure to read and follow the instructions and safety precautions mentioned on the product labels.


How to remove stubborn stains from drill bits?

There are a few different methods you can try to remove stubborn stains from drill bits. Here are a few options:

  1. Soaking in vinegar: Fill a container with vinegar and place the drill bits in it. Let them soak for a few hours or overnight. The acidity of the vinegar can help dissolve the stains. After soaking, scrub the bits with a brush or toothbrush to remove any remaining stains.
  2. Using a rust remover: If the stains are due to rust, a rust remover solution can be effective. Follow the instructions on the rust remover product, which usually involve soaking the drill bits for a specific amount of time and then scrubbing them with a brush.
  3. Baking soda paste: Make a paste by mixing baking soda with a small amount of water. Apply the paste to the stained areas of the drill bits and let it sit for a few minutes. Then, scrub the bits with a brush or toothbrush. Baking soda is abrasive and can help remove stains.
  4. Sandpaper or steel wool: For tougher stains, you can try sanding off the stains using fine grit sandpaper or steel wool. Gently sand the surfaces of the drill bits until the stains are removed. Be careful not to apply too much pressure or damage the bits.
  5. Professional cleaning: If all else fails, you can consider taking your drill bits to a professional tool cleaning service. They have specialized equipment and techniques to remove stubborn stains and restore your drill bits to their original condition.


Remember to always wear protective gloves and eyewear when handling chemicals or using abrasive materials.

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