What Size File For 3/8” Chainsaw Chain?

Dean Morgan
By Dean Morgan
13 Min Read
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Picture this: you’re sitting at your office desk, already daydreaming about the upcoming weekend. I’m going to rock this weekend, you tell yourself. There’s this big, old tree in your yard that you’ve been eyeing for a while, and this weekend, it’s finally coming down. You’re pumped and ready to go.

Fast forward to the weekend. You’re all geared up, gloves on, and chainsaw in hand. But there’s a hiccup. The chainsaw? It’s not cutting anything. Bummer, right?

After a quick inspection, you find the culprit: your chainsaw’s teeth are duller than a butter knife.

To fix this, you’ll need a file to sharpen those teeth. But here’s another challenge: what size file do you need for a 3/8” chain?

Take a deep breath; no need to panic.

Different brands have their own set of recommendations. And, believe it or not, not all sizes match up perfectly. For instance, Stihl has a 3/8″ pitch chain. Their suggestion? Use a file that’s 12-15″ in diameter for ⅜” chains. They also throw in recommendations for 13/64″ and 7/32″ files.

But wait, there’s more to this story! Knowing the size is only half the battle. Picking the right file is crucial too. Even if you have the perfect size, if you don’t know how to use it, it won’t do you much good.

Ready to dive in and learn more? Let’s get to it!

File At A Glance

You might be thinking, I know what a file is! And hey, you probably do. But just in case you’re scratching your head, let’s break it down. A file is like a magic wand for metal; it’s a stick or bar covered in little teeth that can give new life to dull metal edges. For chainsaw enthusiasts, a file is the go-to tool to bring a lackluster chain back to its cutting glory.

What Is Pitch Length In Chain?

Before you go running off to sharpen your chainsaw, there’s a term you need to get familiar with: pitch length.

You might be wondering, What’s that? Well, in simple terms, pitch length is the space between two pins on your chainsaw chain.

How to Measure Pitch Length: Two Simple Ways

Alright, buddy! Now you might be pondering, How do I measure this pitch length? Good news: there are two ways to do it!

  1. The DIY Measurement Method: Roll up your sleeves and grab a ruler because you’re going manual with this one. Measure the distance between two pins on the chain. Simple, right?
  2. The Chain Marking Shortcut: Feeling a bit lazy? No worries! Some chains already have the pitch length marked on the chain links. Just have a peek, and you might find the answer right there.

So, now that you’re armed with this knowledge, choosing the right file size will be a breeze!

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What Size File For 3/8 Lp Chain?

You’ve probably heard of the 3/8 Lp chainsaw. Oh, wait! It’s also called the 3/8 P chainsaw. See, they’re the same thing. Now, let’s talk about sharpening that bad boy.

Size Does Matter: 5/32″ to the Rescue!

For the 3/8″ Lp chain, you’ll want a file that’s 5/32″ in diameter. Why? Because it’s the perfect fit! Imagine this as finding the perfect pair of shoes for a night out; it’s got to be just right.

This special 2-in-1 chain sharpener is like your chainsaw’s best friend. It’s fast, on-point, and super user-friendly. Not only will it give your chainsaw’s cutters a fresh edge, but it’ll also tune-up those depth gauges. Your chainsaw will thank you by performing like a champ.

A Word of Caution: One Size Doesn’t Fit All

Just a heads up! Picking the right file for your 3/8″ Lp chain is crucial. Chains come in all sorts of sizes, kind of like how shoes do. If you wear the wrong size, it’s uncomfortable, right? The same goes for your chainsaw. Use the wrong file, and it might not sharpen the chain properly.

Looking for Recommendations? I Got You!

If you’re scratching your head, wondering which file to get for your 3/8″ Lp chain, don’t sweat it. I’ve got a top pick for you! This file is perfect for the 3/8″ Lp chain. Give it a try, and your chainsaw will be cutting like a dream in no time.

What Size File For 3/8 .050 Chain?

Alright, let’s get into another chainsaw chain, the 3/8 .050. This one’s a bit different from the 3/8″ Lp chain, so let’s break it down.

Why the Different Size? Here’s the Science

The 3/8 .050 chain has a pitch length that’s a tad longer than the standard 3/8”. What does that mean for you? Well, imagine a comb with longer teeth. That’s your chainsaw chain right there. Longer teeth mean you’ll need a different file size to sharpen them properly.

The Perfect Match: Say Hello to 7/32″

For your 3/8 .050 pitch chain, you’ll want to go with a 7/32″ file. Think of this as the ideal partner for your chainsaw. It’s just the right size to get those longer teeth sharp and ready to tackle any tree or log in their path.

Remember, using the correct file size ensures your chainsaw stays in tip-top shape and gives you smooth, efficient cuts every time. So, grab that 7/32″ file and give your 3/8 .050 chain the love and care it deserves!

What Size File For .325?

So, you’ve got a chainsaw with a .325 pitch length, huh? Let’s make sure you’re equipped with the right tools to keep that chainsaw running smooth and sharp.

Crunching the Numbers: The Perfect Fit

For chains with a .325 pitch length, you’re going to want a file with a diameter of 4.8mm or, to put it another way, a 4mm file for that .325 pitch length. It might sound technical, but think of it like this: it’s the perfect-sized comb to brush out those chainsaw teeth and keep them razor-sharp.

READ ALSO:  Complete Tutorial: Where are Stihl Chainsaws Made?

Got a Husqvarna? Here’s What You Need to Know

If you own one of the following Husqvarna models:

  • 120 Mark II
  • 130 Mark II
  • 135 Mark II
  • 240
  • T525
  • T435
  • 439
  • T540XP
  • 535i
  • 540i
  • T535i
  • T540i

…then you’re in luck! That 4mm file for the .325 pitch length is the perfect match. It’ll keep your chainsaw cutting smoothly and efficiently, ensuring you get the best performance out of your machine.

Why does File Size Matter?

Ever wondered why people make such a fuss about file sizes when it comes to sharpening chainsaws? Well, there’s a good reason for it. Let’s dive into why file size is super important.

1. Match-Making: Pitch Length and File Size

Just like how each shoe size fits a particular foot, the size of the file you use should match the pitch length of your chainsaw. Different chains have different pitches (the distance between its teeth), and you need the right file size to sharpen those teeth properly.

2. Shape Matters: Round Files for Round Teeth

Imagine trying to fit a square peg in a round hole—it doesn’t work, right? The same goes for chainsaw files. A round file is designed specifically for round grind teeth. If you try to use a flat file on round teeth, you won’t get that sharp edge you’re aiming for. It’s like trying to butter toast with a fork!

3. Playing Fast and Loose? Not a Good Idea

You might think, Eh, I’ll just use whatever file I have on hand. But be warned: using the wrong file can damage your chainsaw’s teeth over time. It’s like wearing shoes that don’t fit—it might work for a bit, but eventually, your feet will suffer.

4. Precision is Key

If you’re using your chainsaw for precise cuts, using the wrong file is a no-go. The file’s profile isn’t just for show—it helps determine the angle of the top plate blade. And getting that angle right ensures your chainsaw cuts smoothly and accurately.

How To Choose The Best File?

Alright, so you’ve heard a lot about chainsaw files by now. But how do you pick the best one for your chainsaw? Let’s unravel this mystery together.

1. Does File Size Really Matter?

In one word: Absolutely. Imagine wearing shoes either too big or too small for your feet. Uncomfortable, right? The same goes for your chainsaw. The wrong file size won’t sharpen your chainsaw properly, affecting its performance.

2. Step One: Know Your Pitch Length

Remember the pitch length talk from before? It’s the distance between your chainsaw’s teeth. You’ve got to know this first. Once you’ve measured it or found it marked on the chain, you’re halfway there to finding the perfect file.

3. Size Does Matter

Once you have the pitch length, you can then figure out the file size you need. It’s like finding the perfect shoe size once you’ve measured your foot.

4. Quality Over Everything

Now, let’s talk about the file itself. It’s not just about size. The quality matters too. When shopping for a file, look at what it’s made of. The best ones are usually crafted from materials like stainless steel or nickel titanium. These materials are durable and long-lasting, ensuring you get the best bang for your buck.

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In Conclusion To

The size of your chainsaw file isn’t just a minor detail—it’s a major game-changer. Especially when precision is the name of the game, having the right file size becomes crucial. And guess what? Finding that perfect match isn’t as complicated as it sounds. Through this guide, I’ve aimed to simplify the whole process for you.

By now, I hope you’ve got a clear grip on the subject. But hey, there’s always more to learn! If you found this piece valuable, you might want to check out this other article I’ve got lined up for you. It’s packed with more insights that could be just what you’re looking for.

Keep your chainsaw sharp and your knowledge sharper! Happy sawing!

Frequently Asked Questions

1. What is the correct file size for a 3/8” chainsaw chain?

For a 3/8” chainsaw chain, the recommended file size is typically 5/32” or 4 mm. Using the correct file size ensures proper sharpening and maintenance of the chain.

2. Why is it important to use the correct file size?

Using the correct file size is crucial because it ensures that the file fits properly into the teeth of the chain. If the file size is too small or too large, it can lead to improper sharpening, which can impact cutting performance and increase the risk of accidents.

3. How do I determine the correct file size for my chainsaw chain?

To determine the correct file size for your chainsaw chain, you can refer to the user manual or check the markings on the chain itself. The file size should be indicated on the guide bar or the drive link of the chain.

4. Can I use a different file size if the recommended one is unavailable?

It is generally not recommended to use a different file size than the one recommended for your chainsaw chain. Using an incorrect file size may result in improper sharpening, which can affect the chain's cutting ability and potentially lead to safety hazards. It's best to use the correct file size for optimum performance.

5. How often should I sharpen my 3/8” chainsaw chain?

The frequency of sharpening your 3/8” chainsaw chain depends on how frequently you use the chainsaw and the type of material you are cutting. As a general guideline, it is recommended to sharpen the chain after every 3-5 hours of use or whenever you notice a decrease in cutting efficiency.

6. Can I use a file guide to ensure proper sharpening?

Yes, using a file guide can be helpful in achieving consistent and precise sharpening. A file guide helps maintain the correct file angle and depth gauge setting throughout the sharpening process, resulting in a sharper and more efficient chainsaw chain.
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