Ever tried to hang a picture, only to realize you’ve got the wrong size nail? The same frustration applies to something as seemingly simple as attaching your license plate to your Subaru. You want it secure, you want it to look good, and, most importantly, you want it to be legal. Getting the right size screws is crucial to all of that. Let's dive into the nuts and bolts (pun intended!) of securing your Subaru's number plate correctly.
Why Does Screw Size Matter Anyway?
It might seem like overkill to dedicate an entire article to screw size, but trust me, it's worth getting right. Using the wrong size screws can lead to a host of problems, from a rattling license plate to stripped threads and even damage to your car's body. Think about it: too short, and the plate won't be secure; too long, and you risk puncturing something behind the mounting surface. Plus, using the incorrect screws might even make your number plate vulnerable to theft. Nobody wants that! So, let's break down what you need to know.
Decoding the Mystery: Understanding Screw Sizes
Before we jump into the specific sizes for Subarus, let's quickly brush up on how screw sizes are typically described. You'll usually see two numbers: a gauge (diameter) and a length. For example, #12 x 3/4" means a screw with a gauge of #12 and a length of 3/4 of an inch.
- Gauge: The gauge refers to the screw's diameter. Larger numbers indicate thicker screws.
- Length: The length is the distance from the screw's head to its tip.
Understanding these terms is essential when you're staring at a wall of screws at the hardware store, trying to figure out which one is right for your Subaru.
The Subaru Lowdown: Standard Screw Sizes for License Plates
Okay, let’s get down to brass tacks. For most Subaru models, the standard screw size for license plates is typically M6 x 20mm or M6 x 25mm. But here's the catch: while this is a good starting point, it's not a universal truth. There's variation between models and even model years.
To find the perfect fit, consider these factors:
- Model Year: Older Subarus might have slightly different mounting setups compared to newer ones.
- Front vs. Rear: Sometimes, the front and rear license plate mounting areas use different screw depths.
- Aftermarket Brackets: If you're using an aftermarket license plate bracket or frame, the screw length might need adjustment to accommodate the added thickness.
Where to Find the Right Size: Your Detective Work Begins!
So, how do you determine the exact screw size for your Subaru? Here's a breakdown of where to look and how to find the answer:
- Your Subaru Owner's Manual: This is always the best place to start. Many owner's manuals list the recommended screw sizes for various parts of the car, including the license plate. Look for a section on vehicle maintenance or specifications.
- Check the Existing Screws: If you're replacing existing screws, simply remove one and measure it. You can use a ruler, measuring tape, or, for more accuracy, a caliper. Pay attention to both the diameter and the length of the screw.
- Online Subaru Forums and Communities: Subaru owners are a passionate bunch! Online forums are treasure troves of information. Search for threads related to your specific Subaru model and year, and you'll likely find other owners who have already tackled this issue.
- Ask Your Local Subaru Dealership or Mechanic: If all else fails, contact your local Subaru dealership or a trusted mechanic. They'll have the expertise to recommend the correct screw size for your vehicle.
- Trial and Error (with Caution!): If you're feeling adventurous, you can try different screw sizes. However, be extremely careful not to overtighten or force any screws, as this can damage the mounting threads. Start with a smaller screw and gradually increase the size until you find a secure fit.
Screw Types: Not All Screws Are Created Equal
Beyond size, the type of screw also matters. You'll want to choose a screw that's designed for automotive use and that won't rust or corrode easily. Here are a few common types:
- Stainless Steel Screws: These are the gold standard for license plates. They're resistant to rust and corrosion, ensuring a long-lasting and secure hold.
- Self-Tapping Screws: These screws are designed to create their own threads as they're screwed in. They're particularly useful if the existing threads in your car's mounting area are damaged.
- Machine Screws: These screws are designed to be used with pre-tapped holes and are often used in conjunction with nuts or washers.
Pro Tip: Always use stainless steel screws to avoid rust! Nobody wants a rusty screw detracting from their Subaru's sleek look.
Essential Tools for the Job
Now that you know what size and type of screws to use, let's talk about the tools you'll need:
- Screwdriver: A Phillips head screwdriver is usually the best choice for license plate screws. Make sure the screwdriver is the right size for the screw head to avoid stripping the screw.
- Wrench (Optional): If you're using machine screws with nuts, you'll need a wrench to tighten the nuts.
- Measuring Tape or Caliper: As mentioned earlier, these tools are useful for measuring the existing screws or the mounting area.
- Penetrating Oil (Optional): If the existing screws are rusted or stuck, a little penetrating oil can help loosen them up.
- Gloves: Keep your hands clean and protected.
Step-by-Step Guide: Attaching Your Subaru License Plate
Alright, let's put all this knowledge into practice. Here's a step-by-step guide to attaching your Subaru license plate:
- Gather Your Supplies: Make sure you have the correct size and type of screws, your screwdriver, and any other tools you might need.
- Remove the Old License Plate (If Applicable): If you're replacing an existing license plate, carefully remove the old screws. If they're stuck, use penetrating oil and let it sit for a few minutes before trying again.
- Position the License Plate: Align the license plate with the mounting holes on your car.
- Insert the Screws: Insert the screws through the license plate and into the mounting holes.
- Tighten the Screws: Tighten the screws until they're snug, but be careful not to overtighten them. Overtightening can strip the threads or damage the mounting area.
- Double-Check: Make sure the license plate is securely attached and doesn't rattle.
Preventing Common Problems: Tips and Tricks
- Stripped Threads: If you strip the threads in the mounting area, don't panic! You can often repair them using a thread repair kit or by using slightly larger self-tapping screws.
- Rusted Screws: Prevent rusted screws by using stainless steel screws and applying a small amount of anti-seize compound to the threads before installation.
- License Plate Theft: To deter license plate theft, consider using security screws that require a special tool to remove.
- Rattling License Plate: If your license plate rattles, you can use foam or rubber spacers behind the plate to dampen the vibrations.
Aesthetics Matter: Choosing the Right Screw Head
While functionality is key, don't forget about aesthetics! The screw head is visible, so choose a style that complements your Subaru's look. Common options include:
- Pan Head Screws: These have a rounded head and are a good general-purpose choice.
- Button Head Screws: These have a slightly more rounded head than pan head screws and can give a cleaner, more finished look.
- Flat Head Screws: These screws are designed to sit flush with the surface of the license plate.
Consider the color as well. Stainless steel is classic, but black screws can look great on darker-colored cars.
Don't Forget the License Plate Frame!
A license plate frame is a great way to add a personal touch to your Subaru and protect your license plate from damage. When choosing a frame, make sure it doesn't obscure any of the information on the license plate, as this can be illegal. Also, consider the material of the frame. Stainless steel or aluminum frames are durable and rust-resistant. When installing a frame, you might need slightly longer screws to accommodate the added thickness.
Frequently Asked Questions
- What happens if I use the wrong size screws? Using the wrong size screws can lead to a loose license plate, stripped threads, or even damage to your car's body. It's always best to use the correct size.
- Where can I buy license plate screws? You can buy license plate screws at most auto parts stores, hardware stores, or online retailers. Be sure to check the size and type before purchasing.
- Are stainless steel screws really necessary? While not strictly necessary, stainless steel screws are highly recommended because they resist rust and corrosion, ensuring a long-lasting and secure hold.
- How do I remove a rusted license plate screw? Apply penetrating oil to the screw and let it sit for a few minutes. Then, use a screwdriver that fits the screw head snugly and apply firm, steady pressure while turning.
- Can I use any screw I find in my garage? It's not recommended to use just any screw. Automotive screws are designed to withstand the elements and provide a secure hold. It's always best to use the correct type and size of screw specifically designed for license plates.
Final Thoughts
Attaching your Subaru's license plate might seem like a minor task, but getting it right is important for both legal and practical reasons. By understanding screw sizes, types, and installation techniques, you can ensure a secure and aesthetically pleasing result. So, grab your screwdriver, choose the right screws, and get ready to hit the road with confidence!