Screw-in insert
Juno Industries is the right partner to find the most performing screw-in insert or self tapping insert for your application thanks to our 23 years of experience.
Introduction
Threaded screw-in inserts are invaluable components for reinforcing and enhancing the durability of wooden, plastic or softer metal projects. Whether you're a woodworking enthusiast or a professional craftsman, knowing how to install threaded inserts in wood can open up a world of possibilities for your creations. In this guide, we'll take you through the process of installing threaded inserts in wood, the different types available, and the advantages they offer over traditional screws.
What is a threaded insert and what is its purpose?
A threaded insert, also known as a threaded bushing, is a metal fastener designed to be embedded into wood to create a sturdy and reliable threaded connection. Its purpose is to provide a strong anchoring point for screws, bolts, or threaded rods, enhancing the holding power and longevity of the joint. Threaded inserts are available in various shapes, sizes, and materials, making them versatile for a wide range of woodworking applications.
Types of threaded inserts for wood
Juno Industries offers a diverse range of threaded inserts suitable for wood. Here are some of their popular products:
- Stainless steel wood insert nut: This corrosion-resistant insert is ideal for outdoor and marine applications.
- Wood insert nut with hex: Provides an external hex for easy installation with a wrench.
- Wood insert nut with hex and collar: The collar adds extra stability and prevents over-insertion.
- Long wood insert nut with hex: Designed for deeper insertions and heavier loads.
- Wood insert with hex and collar in die-cast: Suitable for applications requiring a die-cast external body.
- Slotted wood insert without reservoir: Features a slot drive for simple installation with a screw-driver.
- Short threaded die-cast wood insert: Perfect for projects with limited panel thicknesses.
- Wood insert with collar and left outer thread: Offers a left-handed external thread for adjustable feet and furniture wheels.
- Slotted wood insert with reservoir: Comes with a reservoir for excess wood shavings.
- Non-slotted wood insert: A traditional design for standard woodworking projects.
- Wood insert with hex (type SKD30): Provides a larger flange for better load distribution.
- Wood insert with hex (type SKD330): Offers a smaller flange for applications with limited space.
- Long wood insert (no Hex): Provides a longer length for high performance wood working projects.
- Thin-walled slotted wood insert: Ideal for projects with thin wood pieces.
- Long wood insert: Provides a longer length for high performance wood working projects with hex drive.
- Mechanical tool for screw inserts: Assists in easy and precise insertions.
- Bit for slotted wood inserts: Designed for screwing low quantities of slotted inserts into wood.
Tools needed for installation of screw-in inserts
Before we delve into the installation process, let's gather the essential tools required for the job:
Drill: A power drill with an appropriate drill bit matching the threaded insert size is essential.
Screwdriver: You'll need a screwdriver that matches the head of the threaded insert for installation.
Wrench: If you're using inserts with internal hexes, a wrench will help you tighten them securely.
Pencil and Ruler: Mark the insertion points accurately using a pencil and ruler.
Step-by-step guide on how to install a threaded insert in wood
Now, let's walk through the step-by-step process of installing threaded inserts in wood:
Step 1: Choose the Right Insert Carefully select the threaded insert that best suits your project's requirements, taking into consideration the wood's thickness, load-bearing capacity, and environmental conditions.
Step 2: Mark the Insertion Points Using a pencil and ruler, mark the precise locations where you want to install the threaded inserts on the wood surface.
Step 3: Prepare the Drill Select a drill bit that matches the size of the threaded insert's external diameter. Attach the drill bit securely to your power drill.
Step 4: Drill Pilot Holes Drill pilot holes at the marked points, ensuring the depth matches the length of the threaded insert to be inserted.
Step 5: Insert the Threaded Insert Take the threaded insert and align it with the pilot hole. Use a screwdriver or a wrench (if applicable) to screw the insert into the wood until it sits flush with the surface.
Step 6: Test the Insert Gently test the installed threaded insert by turning a screw into it to check its stability and ensure a proper fit.
Step 7: Repeat the Process Repeat the steps for each threaded insert you need to install, making sure to maintain precision and alignment.
Tips and best practices for a successful installation
To achieve the best results when installing threaded inserts in wood, consider the following tips and best practices:
Use the right tools: Ensure you have the correct drill bit and screwdriver to match the threaded insert type you're using.
Pilot hole size: The pilot hole diameter should be slightly smaller than the external diameter of the threaded insert to provide a snug fit.
Avoid over-insertion: Be cautious not to over-insert the threaded inserts, as it may weaken the wood.
Gluing inserts: If you want extra strength, you can apply some woodworking glue to the external surface of the insert before installation.
Thread alignment: Ensure the threads of the insert align correctly with the wood grain for maximum holding power.
Avoid over-tightening: Be careful not to overtighten the screws into the inserted threads, as it may cause the threads to strip.
Are threaded inserts stronger than screws?
In general, threaded inserts offer superior holding strength compared to traditional wood screws. The threaded insert spreads the load over a larger surface area, reducing the risk of the wood splitting or failing under heavy loads. Additionally, threaded inserts are less likely to become loose over time, ensuring a more durable and reliable connection.
Conclusion about threaded inserts
Knowing how to install threaded inserts in wood opens up a world of possibilities for creating robust and long-lasting woodworking projects. By choosing the right threaded insert type, using the appropriate tools, and following the step-by-step guide, you can confidently enhance the strength and integrity of your woodwork. Juno Industries provides a wide range of high-quality threaded inserts that cater to various woodworking needs, making your projects stand the test of time.