When it comes to hinges, we often wonder what size the holes are. Well, let me tell you, folks.

The holes in hinges usually come in two sizes: 35mm diameter and 26mm diameter. The 35mm diameter hole is the one we see most often, while the 26mm diameter hole is used in certain situations, like small bathroom cabinets or budget carcasses.

These hole sizes are crucial for ensuring a proper installation and smooth functioning of the hinges. So, if you’re looking to replace or install hinges, knowing the size of the holes is key.

Stick around, and we’ll dive deeper into the world of hinge hole sizes.




Key Takeaways

 

  • Hinges come in two standard hole sizes: 35mm diameter and 26mm diameter.
  • The 35mm diameter hole is the most commonly used, while the 26mm diameter hole is used in certain situations.
  • The hole centre for 35mm diameter hinge holes is typically centred 22.5mm from the front, while for 26mm diameter hinge holes, it should be 18mm from the front.
  • Accurate hinge hole measurements ensure proper alignment, stability, and functionality, while various solutions are available to modify hole sizes or address common issues.

 

Standard Hole Sizes for Hinges

 

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Standard hole sizes for hinges vary depending on the type of hinge and its intended use.

For concealed hinges, the most common sizes are 35mm and 26mm in diameter.

European-style hinges typically have standard hole sizes of 35mm in diameter and 10-12.5mm deep.

These holes are positioned around 100mm from the top or bottom of the door and 22-22.5mm from the side edge of the door to the centre of the hole.

Doors with our standard measurements or units have drilling positions at 100mm from the top and 100mm from the bottom.

Doors with four hinge holes, usually over 1700mm high, are drilled at 100mm and 750mm from the top and bottom.

The 35mm cup concealed hinges are centred 22.5mm from the edge, with 5mm between the door edge and hole.




Common Dimensions of Hinge Holes

 

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When drilling hinge holes, it’s important to consider the common dimensions for proper alignment and installation. Concealed hinges commonly come in two sizes: 35mm diameter and 26mm diameter hole size, with the former being the most commonly used.

For cabinet doors with 35mm diameter hinge holes, the hole centre is typically centred 22.5mm from the front, while doors with 26mm diameter hinges should have the hole centre 18mm from the front.

Standard drilling positions for doors with our standard measurements are typically 100mm from the top 100mm from the bottom, and 22.5mm to the center of the hole from the side edge.

The number of hinges needed depends on the size and weight of the door, as well as the manufacturer’s specifications. Customers can request new holes or spacing when ordering new doors but must do so upon ordering and signing off on the spacing.

 

Measuring the Diameter of Hinge Holes

 

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We measure the diameter of hinge holes using a simple tool called a hole gauge. To measure the diameter, we insert the gauge into the drilled hole and tighten the gauge until it fits snugly. The gauge has a scale that allows us to read the diameter directly in millimetres.

It’s important to ensure the gauge is aligned with the hinge hole to obtain accurate measurements. Proper alignment is crucial for achieving a precise fit between the hinge and the hole.

Measuring the diameter of hinge holes is an essential step in the installation process, as it ensures that the hinges are compatible with the drilled holes. Using a hole gauge, we can easily determine the correct size of the hinge holes and ensure a secure and functional hinge installation.




Understanding the Depth of Hinge Holes

 

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Now let’s explore the depth of hinge holes.

The standard hole size for concealed hinges is 35mm, but it’s important to understand the depth required for different hinges.

Accurate drilling positions ensure proper hinge installation and consistent results, which is why understanding the depth of hinge holes is crucial.

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Standard Hole Size

 

Typically, concealed hinges have a standard hole size of 35mm in diameter with a depth of 10-12.5mm, ensuring reliable and sturdy door installation. This standard hole size is important for consistent and accurate placement of the hinges.

Here are three key points to consider about standard hole size for hinge installation:

  1. Hole positions: For doors with two hinges, the holes are drilled 100mm from the top and bottom. Doors with four hinges have holes drilled 100mm and 750mm from the top and bottom, respectively, indoors over 1700mm high. These specific hole positions ensure proper weight distribution and stability.
  2. Hinge mounting plates: The holes for 35mm cup concealed hinges are usually centred 22.5mm from the edge of the door. This precise positioning allows for optimal alignment and smooth operation of the hinges.
  3. Accurate measurements: Accurate measurements are crucial for proper hinge placement. Even for doors with four holes, the positions can be entered accurately, ensuring the hinges are correctly installed.

 

Depth for Different Hinges

 

How deep should the hinge holes be for different types of hinges?

When it comes to concealed hinges, the standard depth is typically 10-12.5mm. This depth ensures that the hinge is securely attached to the door while allowing it to open and close smoothly.

For the top hinge hole, it’s essential to measure accurately to maintain proper hinge placement. A standard 35mm diameter hole is drilled around 100mm from the top of the door. This measurement ensures that the top hinge is positioned correctly for optimal functionality.

 

Importance of Accurate Holes?

 

To ensure optimal functionality and proper installation of hinges, accurate measurement of hinge holes is crucial. The importance of accurate holes in hinges can’t be understated. Here’s why:

  1. Alignment: Accurate hinge holes ensure proper alignment between the door and the frame, allowing for smooth operation and preventing unnecessary friction or binding.
  2. Stability: Precise hinge hole measurements contribute to the stability of the door, preventing sagging or misalignment over time.
  3. Durability: By accurately measuring and drilling hinge holes, the risk of damage to the hinges or the surrounding material is minimized, ensuring long-lasting durability.




Different Types of Hinge Hole Configurations

 

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When considering different types of hinge hole configurations, one common option is to use either a 35mm or a 26mm diameter hole for concealed hinges.

The standard hole size for European-style hinges is 35mm in diameter, with a depth of 10-12.5mm. These holes are typically drilled around 100mm from the top or bottom of the door and 22-22.5mm from the side edge of the door to the centre of the hole.

For doors over 1700mm high, four hinge holes are drilled at 100mm and 750mm from the top and bottom.

The LR32 system is often used for mounting hinges with 5mm euro screws, and plastic dowels can be used as a workaround for small holes.

It’s important to ensure accuracy in drilling these holes to ensure proper alignment and functionality of the hinges.

 

Recommended Drill Bit Sizes for Hinge Holes

 

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When it comes to drilling hinge holes, using the proper drill bit size is crucial for ensuring hinge stability and avoiding damage. Using the recommended drill bit sizes, we can ensure that the holes are accurately sized for the hinges, allowing for a secure and smooth operation.

This precision in hole size also helps prevent any unnecessary stress or strain on the hinges, prolonging their lifespan.

 

Proper Drill Bit Sizes

 

We recommend using a standard 35mm drill bit size for the hinge holes to ensure proper placement. This size is commonly used for concealed hinges and provides a secure fit for the hinges.

Here are three reasons why using the proper drill bit size is important for hinge holes:

  1. Accurate Alignment: Using the recommended 35mm drill bit size ensures that the hinge holes are aligned correctly, allowing the hinges to function smoothly and securely. Proper alignment is crucial for the overall stability and functionality of the door.
  2. Secure Attachment: The 35mm diameter hole allows for a snug fit of the hinge, preventing any wobbling or movement. This ensures that the door remains securely attached to the frame and reduces the risk of any damage or wear over time.
  3. Standardized Compatibility: The 35mm drill bit size is a standard size for concealed hinges, making it compatible with a wide range of hinge models available in the market. This ensures that you have a variety of hinge options to choose from without compromising on the fit or quality.




Ensuring Hinge Stability

 

To ensure hinge stability, it is important to use the recommended drill bit size for hinge holes. The standard drill bit size for hinge holes is 35mm in diameter, which is the most commonly used size for hinges. This ensures a secure and stable fit for the hinges, preventing any wobbling or loosening over time. It is crucial to follow the proper drilling positions for doors with four hinge holes, measuring 100mm and 750mm from the top and bottom edges. This ensures that the hinges are installed in the correct positions, providing optimal stability for the door. For doors with three hinge holes, the middle hinge should be measured from the top edge and positioned at the centre. By following these guidelines and using the correct drill bit size, you can ensure the stability and longevity of your hinges.

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Number of HingesDrill Bit Size (Diameter)
235mm
335mm
435mm

Avoiding Hinge Damage

 

To ensure the longevity of hinges and avoid any potential damage, it’s essential to use the recommended drill bit sizes for hinge holes. Improperly sized holes can lead to hinge damage, causing issues with door alignment and stability.

Here are three key points to keep in mind when drilling hinge holes:

  1. Use the correct diameter: For standard concealed hinges, a 35mm diameter hole is recommended. This ensures a proper fit and allows the hinge to function smoothly.
  2. Consider the depth: The recommended depth for standard concealed hinge holes is 10-12.5mm. This depth allows the hinge to sit flush with the surface, preventing any protrusion that could lead to hinge damage.
  3. Pay attention to small screw holes: Some hinges have small screw holes for additional stability. It’s important to use the appropriate drill bit size for these holes to avoid damaging the screws or compromising the hinge’s strength.




Options for Adjusting Hinge Hole Sizes

 

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There are several available options for adjusting the sizes of hinge holes in cabinet doors. When the holes drilled do not align with the hinges, it can lead to improper installation and functionality issues. To address this problem, suppliers offer various solutions to modify the hole sizes and achieve the desired fit. These options include plastic dowels, screws, and brand-specific solutions. However, it is important to note that compatibility issues may arise when using different brands or suppliers. To demonstrate the different options available, the following table provides a comparison of the features and benefits of each solution:

 

SolutionMaterialCompatibilityEase of Use
Plastic DowelsPlasticCompatible with most hingesEasy to install with minimal tools required
ScrewsMetalCompatible with most hingesRequires screwing and unscrewing for adjustment
Brand-Specific SolutionsVariesMay require a specific hinge or brandOffers precise and tailored solutions

Tools and Techniques for Drilling Hinge Holes

 

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We rely on specific tools and techniques to drill hinge holes accurately for installation. To ensure precise and efficient drilling, we utilize the following tools and techniques:

  1. Drilling Jig: A drilling jig is an essential tool for aligning and guiding the drill bit precisely to the desired hinge hole position. It helps maintain consistency and eliminates the risk of misalignment or uneven holes.
  2. Pilot Drill Bit: A pilot drill bit is used to create a small pilot hole before drilling the actual hinge hole. This helps to prevent the wood from splintering or splitting during the drilling process.
  3. Hinge Hole Cutter: A hinge hole cutter is a specialized drill bit designed specifically for drilling hinge holes. It has a specific diameter that matches the size of the hinge hole required, ensuring a clean and accurate cut.




Troubleshooting Common Issues With Hinge Holes

 

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When it comes to troubleshooting common issues with hinge holes, there are a few key points to consider.

First, hole misalignment can be addressed using adjustable hinges or shims to correct the positioning.

Second, filling stripped hinge holes can be done by using wooden dowels or filler material, ensuring a secure and stable connection.

Lastly, preventing hinge hole wear can be achieved by using lubricants or reinforcing the holes with metal inserts.

 

Hole Misalignment Solutions

 

To address hole misalignment issues with hinge holes, we can explore various solutions. Here are three possible options:

  1. Adjust hole positions: If the holes are drilled incorrectly or misaligned, one solution is to adjust the hole positions. This can be done by filling in the existing holes and drilling new ones in the correct locations. It’s important to accurately measure and mark the new hole positions before drilling to ensure proper alignment.
  2. Use hinge spacers: Another solution is to use hinge spacers to compensate for any misalignment. These spacers can be placed between the hinge and the door or frame to adjust the positioning and alignment. Hinge spacers are available in various thicknesses, allowing for precise adjustments.
  3. Use hinge hole repair kits: In cases where the misalignment is minor, hinge hole repair kits can be used. These kits typically include specially designed screws or inserts that can be used to fill in and re-thread the existing hinge holes, providing a secure and properly aligned hinge installation.

 

Filling Stripped Hinge Holes

 

After encountering stripped hinge holes, our team found an effective solution using a strong wood filler. When a hinge hole becomes stripped, it means that the screw can no longer grip onto the wood, causing the hinge to become loose and ineffective. To fix this issue, we recommend using a wood filler that is specifically designed for repairing stripped screw holes. This filler should be strong and durable to provide a reliable fix for the hinge. Here is a table outlining the steps to fill stripped hinge holes using a wood filler:

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Steps to Fill Stripped Hinge Holes
1. Clean the stripped hole thoroughly, removing any debris or dust.
2. Apply the wood filler to the hole, ensuring it completely fills the void.
3. Smooth the filler using a putty knife, ensuring a flush finish.
4. Allow the filler to dry completely according to the manufacturer’s instructions.
5. Once dry, sand the filled area to achieve a smooth surface.

Preventing Hinge Hole Wear

 

To prevent hinge-hole wear, we recommend regularly lubricating the hinges with a high-quality lubricant. This will help reduce friction and prolong the lifespan of the hinges.

In addition to lubrication, there are a few other steps you can take to prevent hinge hole wear:

  1. Ensure proper alignment: Make sure the hinges are aligned correctly with the top and bottom edges of the door. Misalignment can cause excessive stress on the hinge holes, leading to wear over time.
  2. Use the correct size screws: Use screws that are the appropriate length and diameter for the hinge holes. Incorrectly sized screws can cause the holes to strip or enlarge, resulting in hinge instability.
  3. Reinforce weak hinge holes: If you notice that the hinge holes are becoming worn or enlarged, you can reinforce them with wooden dowels or filler material. This will help restore stability and prevent further wear.




Preparing Door Frames for Hinge Installation

 

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We prepare door frames for hinge installation by measuring and marking the drilling positions for the concealed hinges. To ensure accurate placement, we follow the standard drilling positions for doors with four hinge holes. For these doors, we measure 100mm and 750mm from the top and bottom, with a side edge measurement of 22.5mm to the centre of the hole. Kitchen cabinet doors typically require two hinges, one near the top and one near the bottom, as specified by the manufacturer’s guide. When installing replacement kitchen doors, it’s important to note that they are sold separately and do not come pre-drilled. However, a hinge drilling kit is provided with every purchase of replacement kitchen doors over £400. By carefully measuring and marking the drilling positions, we ensure proper alignment and functionality of the hinges.

 

Hinge TypeDistance Measurement (from top/bottom)Side Edge Measurement
4 Hinge Holes100mm and 750mm22.5mm
Kitchen Cabinet DoorsThe manufacturer’s guide specified

Best Practices for Maintaining Hinge Hole Integrity

 

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To maintain the integrity of hinge holes, it’s important to follow best practices for accurate installation and proper care. Here are three key practices to consider when maintaining hinge hole integrity:

  1. Regular inspection:
    Regularly inspect the hinge holes in your cabinet doors to ensure they aren’t worn or damaged. Any signs of wear or damage should be addressed immediately to prevent further deterioration.
  2. Proper cleaning:
    Clean the hinge holes regularly to remove any dirt, debris, or buildup that can affect the functionality of the hinges. Use a soft cloth or brush to gently clean the holes, avoiding any abrasive materials that can cause damage.
  3. Lubrication:
    Apply a small amount of lubricant to the hinge holes to reduce friction and ensure smooth movement of the hinges. Be sure to use a lubricant specifically designed for hinges to avoid any potential damage to the hinges or surrounding materials.




Frequently Asked Questions

 

What Size Are the Holes on Door Hinges?

 

The holes on door hinges come in two sizes, 35mm and 26mm. The 35mm size is the most commonly used. Accurate measurements from the edges of the door are crucial for proper placement.

 

How Do You Measure Holes in Hinges?

 

To measure holes in hinges, we use a precise technique. By determining the distance from the door’s edge to the centre of the hole, we ensure accurate placement. Consistent results are achieved by drilling a standard 35mm diameter hole.

 

What Diameter Do You Drill Hinges?

 

When drilling hinges, we typically use a 35mm diameter for standard concealed hinges. However, smaller cabinets or budget carcasses may require a 26mm diameter. It’s important to measure and centre the holes correctly for proper installation.

 

What Size Drill Bit for Kitchen Hinges?

 

For kitchen hinges, the standard drill bit size is 35mm in diameter. This ensures a proper fit for the hinge and allows for the smooth operation of the cabinet doors.




What is the importance of understanding hinge hole sizes when choosing door hinge screw sizes?

When choosing door hinge screw sizes, understanding the importance of matching them with the correct hinge hole sizes is critical. Using the proper size ensures a secure and stable door installation. Mismatched sizes can lead to loose hinges and potential safety hazards. Always measure and match carefully.

Final Analysis: Decoding the Dimensions of Hinge Holes

 

The size of hinge holes plays a crucial role in the proper functioning and accurate installation of hinges. Like a key fitting perfectly into a lock, the right-sized hole ensures a seamless and secure connection between the hinge and the door frame.

Whether you’re working on a small bathroom cabinet or a budget carcass, choosing the appropriate size hole is essential for ensuring the longevity and functionality of your hinges.

 

Reference links:

https://www.kitchendoorhub.com/how-to/how-to-measure-for-hinges
https://kitchenwarehouseltd.com/blog/drilling-hinge-holes-kitchen-doors.html
https://www.festoolownersgroup.com/festool-how-to/5mm-holes-and-hinges/
https://tdm-thedoormaker.com/holes-for-hinges.html




James Davis

I'm James Davis, a carpenter with eight years of experience in carpentry services, repairs, installations, renovations, and maintenance of interior doors. I have a diploma in carpentry and joiner trade from the Education Skills Australia Institute and take pride in delivering high-quality results to ensure customer satisfaction. I'm a blog writer for Octopus Doors Company and enjoy sharing my knowledge and tips on maintaining security measures and choosing the right door materials, paints, or handle styles. I specialize in custom-made interior doors and strive to make every home look fabulous. Contact me anytime for help with door-related issues.

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