Key Questions to Ask When Ordering Wholesale Door Hardware

30 Jun.,2025

 

Top 6 Tips Buying Interior Door Handles - Manovella Design

Renovating your home is an exciting (and potentially stressful) time, but we've come up with a list of the 6 most important things to consider when replacing your interior door handles to take a little bit of stress out of your next project.

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1. Retrofitting

One of the first and most import things to decide on is are you replacing your internal doors, or are you keeping existing doors and just 'jazzing' them up a bit with new door hardware? If you've decided your doors are too good to just throw away, then we suggest removing one of your existing handles to see what holes are exposed in your existing door. The last thing you want to do is purchase a lovely new set of your favourite door handles just to realise they won't retrofit in place of your existing door handles. When it comes to door handles in Australia, there are generally two common rose (base plate of the door handle) sizes:

Small Rose: Rose size between 50mm - 55mm in diameter. These types of installations will usually have three small holes through the door (one for the spindle and two for the fixing screws).

Large Rose: Rose size between 63mm - 65mm in diameter (sometimes larger). These will retrofit in place of an existing bore hole of 50m-54mm. 

As a rule of thumb you generally want your rose diameter to be at least 10mm larger than your the diameter of the hole in your door. This will prevent the door handle "sinking" in to the bore hole.

2. Finish

Now for the more exciting part of choosing new door handles - choosing the finish. With door handles becoming somewhat of a statement item in houses these days, people are basing their choice of fixtures off their chosen door handle so it's important to get a finish you'll love looking at every day. Satin Brass door handles and Matt Black door handles have rapidly become the most popular finishes on the door hardware scene and this popularity doesn't show any signs of slowing down.

3. How is this Finish applied?

When talking door handles, the two most common methods for applying the finish are electroplating and powder coating. While there are benefits to both of these applications, electroplating provides a stronger, harder and more durable finish that can prevent scratches from rings on your fingers or keys in your hand. Electroplated door handles also offer great long term wear and corrosion resistance when compared to powder coated door handles.

To understand the technical difference between the two, the below link provides some great information:
https://powdervisioninc.com//05/the-differences-between-electroplating-and-powder-coating-in-washington

4. Function

Another thing to consider is where in your house these door handles are going to be installed. Do you want the ability to privacy lock your bedroom and bathroom doors? If so, you definitely want to consider a door handle that provides both a passage and privacy option. Passage sets are perfect for doors that do not require the ability to lock, whereas Privacy sets are great options for bathroom, toilet or bedroom doors where some privacy is required.

5. Warranty

The last thing you want is to spend a large amount of money on new door handles only to find that you need to replace within a couple of years. High quality door handles should come with a minimum 10 year mechanical warranty. If your supplier of door handles can offer you this then you know you're buying a good quality product from a reputable seller who backs their goods.

6. Budget

We understand that sticking to a budget during a renovation can be tough, but skimping on door handles can cause you more headaches than it's worth. There are plenty of cheap sub $20 options on the market, but once you do a bit of research you'll quickly realise why these are so much cheaper than most door handles on the market. All you need to do is hold one of these cheap door handles in your hand to realise it's not made from any type of solid material. The finish will also most likely corrode after very limited use.

There are also some door handles on the opposite end of the scale which can set you back upwards of $300 per set of door handles which can add up very quickly when replacing every handle in your house.

While the most important thing is to find door handles that fit within your budget and that you love the look and feel of, we believe that the $50 - $150 price range will get you a great quality product that should last you until your next renovation.

Over to you:

Your Guide to Different Door Knob Parts - Park Avenue Locks

When it comes to home improvement, door knobs may seem like small and insignificant details, but they play a crucial role in both the functionality and aesthetic appeal of your doors. Understanding the different parts of a door knob set is essential for selecting the right hardware for your home, ensuring smooth operation, and enhancing security. In this guide, we'll break down the essential door knob parts, explain their functions, and help you make informed decisions when choosing the perfect door knob for your needs.

Parts of a Door Knob Set

A door knob set is a collection of components that together form a functional and secure door knob. Understanding these parts is crucial whether you're installing a new door knob, replacing an old one, or troubleshooting issues. Here’s a detailed breakdown of the parts of a door knob:

  • Knob or Lever

The knob or lever is the most visible and tactile part of the door knob set. It is the part you grasp to turn and open or close the door. Knobs are typically round, offering a classic appearance, while levers provide a more modern look and are often easier to use, particularly for those with physical limitations or for accessible environments. The choice between a knob or lever often comes down to personal preference and the specific needs of the door’s location.

  • Rosette or Escutcheon Plate

The rosette, also known as an escutcheon plate, is the decorative plate that surrounds the knob or lever. It covers the hole in the door and hides the internal mechanism, providing a finished look. Rosettes come in various shapes, sizes, and finishes, allowing you to choose a style that complements your door and the overall decor of your home. Whether you prefer a simple, understated design or an ornate, decorative plate, the rosette plays a significant role in the door knob's aesthetic appeal.

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  • Spindle

A spindle is a square-shaped metal bar that connects the knobs or levers on either side of the door. When you turn the knob or lever, the spindle rotates, engaging the latch mechanism and allowing the door to open or close. The spindle is a critical component of the door knob assembly, as it transfers the rotational motion from the knob to the latch. Without a functional spindle, the door knob would not be able to operate effectively

  • Latch Mechanism

The latch mechanism is the part of the door knob set that extends into the door jamb to keep the door closed. It is typically spring-loaded, so it retracts when the knob or lever is turned, allowing the door to open. When released, the latch extends back into the strike plate, securing the door in place. The latch mechanism is crucial for the door's security and proper operation, and it comes in various types depending on the level of security required and the door's function

  • Strike Plate

The strike plate is a metal plate attached to the door jamb. It has a hole or recess into which the latch fits when the door is closed. The strike plate reinforces the area around the latch, protecting the door jamb from damage caused by repeated use. It also ensures that the door remains securely closed. Strike plates are available in various designs and finishes to match the other hardware on the door.

  • Faceplate

The faceplate is a metal plate attached to the edge of the door through which the latch extends. The faceplate helps to reinforce the area around the latch, preventing wear and tear on the door and providing a clean, finished look. Faceplates can be rectangular or rounded, depending on the style of the door knob set, and are available in various finishes to match the rest of the hardware.

  • Shank

The shank is the part of the knob or lever that connects to the spindle. It acts as a bridge between the knob and the door, allowing the turning motion of the knob or lever to be transferred to the spindle and, ultimately, to the latch mechanism. The shank is an essential component for the proper operation of the door knob, as it ensures that the rotational force is effectively transmitted.

  • Cylinder (for keyed door knobs)

In door knobs with locks, the cylinder is the part where you insert the key. It engages the locking mechanism inside the door, preventing unauthorized access. The cylinder is a vital security feature, and its quality and design can significantly impact the door knob's effectiveness in protecting your home. There are different types of cylinders, including single and double cylinders, each offering varying levels of security.

  • Mounting Plate

The mounting plate is installed on the inside of the door and is used to attach the knob or lever securely to the door. It provides stability and ensures that the knob or lever does not loosen over time. The mounting plate is typically hidden by the rosette or escutcheon plate, contributing to the door knob's clean, finished appearance.

  • Keyway (for keyed door knobs)

The keyway is the slot where the key is inserted into the cylinder. The design of the keyway is specific to the lock manufacturer, ensuring that only the correct key can operate the lock. The shape and complexity of the keyway contribute to the security of the door knob, with more intricate designs offering higher levels of security.

  • Deadbolt (in some door knob sets)

Some door knob sets, particularly those designed for exterior doors, include a deadbolt in addition to the latch mechanism. The deadbolt provides an extra layer of security by extending a solid metal bolt into the door jamb when locked, making it much more difficult to force the door open. Deadbolts can be operated with a key from the outside and a thumb turn from the inside.

Door Knob Parts Diagram

Visual learners often benefit from diagrams, and understanding door knob parts is no exception. A door knob parts diagram can help you see how all these components fit together, giving you a clear picture of how the door knob operates. In a typical diagram, you would see the placement of the spindle, latch, strike plate, and other components, providing a comprehensive view of the entire assembly.

Choosing the Right Door Knob

Choosing the right door knob involves more than just picking a design that matches your décor. Here are a few factors to consider:

  • Functionality: Determine the function of the door knob. Is it for a privacy setting, like a bathroom or bedroom, where a locking mechanism is required? Or is it for a hallway or closet where a simple passage knob will suffice?
  • Style: Door knobs come in a variety of styles, from traditional to modern. Choose a style that complements the overall aesthetic of your home.
  • Finish: The finish of the door knob can significantly impact the look of your door. Common finishes include polished brass, satin nickel, and oil-rubbed bronze.
  • Quality: Investing in a high-quality door knob ensures durability and smooth operation over time. Look for reputable brands that offer solid construction and reliable performance.
  • Size and Fit: Ensure that the door knob set you choose fits your door’s thickness and that the backset (the distance from the edge of the door to the center of the knob) is compatible with your door.

Conclusion

Understanding the different parts of a door knob is key to making an informed decision when selecting hardware for your home. Whether you're upgrading your door knobs for aesthetic reasons or replacing worn-out parts, knowing how each component functions will help you choose the best option for your needs. At Park Avenue Locks, we offer a wide selection of door locks and hardware, available in both retail and wholesale, to meet all your door knob needs. Visit our site to explore our collection and find the perfect door knob for your home.

Frequently Asked Questions

What is a door knob spindle?

A door knob spindle is a square metal rod that connects the knobs or levers on either side of the door. When you turn the knob, the spindle rotates, engaging the latch mechanism to open or close the door. It’s a crucial part of the door knob assembly that ensures smooth operation.

What is a baluster vs spindle?

A baluster is a vertical support found in a railing system, often used in staircases or balconies. A spindle, in the context of door knobs, is the metal rod that connects the knobs or levers on either side of the door. While both terms involve support or connection, they refer to different components in different contexts

What is a door knob shank?

The door knob shank is the part of the knob that connects to the spindle. It acts as a bridge between the knob and the door, allowing the turning motion of the knob to be transferred to the latch mechanism, which opens or closes the door. The shank is an essential component for the functionality of the door knob.

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