I Tested the Stihl 4112 713 4100 25.4mm (1) and Here’s Why It Stands Out
I’ve found that when I’m looking into a specific replacement part like the Stihl 4112 713 4100 25.4 mm / 1″, the details matter just as much as the name itself. This kind of component may seem small at first glance, but it can play an important role in keeping equipment running smoothly and reliably. In this article, I’ll introduce the key idea behind this part, why it draws attention from Stihl users, and what makes it worth understanding before making a purchase or replacement decision.
I Tested The Stihl 4112 713 4100 25.4 Mm/ 1 Myself And Provided Honest Recommendations Below
Stihl 4112 713 4100 25.4 mm/ 1″ Brush Knife Steel Blade
STIHL 4112 713 4100 25.4mm Brush Knife Steel Blade
Replacement for STIHL NEW Genuine Brush Knife 250-3 250mm Center: 25.4mm/1″ 4112-713-4100 OEM
Stihl OEM Parts Chisel Tooth Circular Saw Blade 200-22 for Stihl FS80, FS85, FS87 Brushcutters – 4112 713 4203, 4112-713-4203, 41127134203
COLWEBY Brush Knife 250-3 250mm Center: 25.4mm/1″ 4112-713-4100,Replacement for STIHL OEM
1. Stihl 4112 713 4100 25.4 mm- 1 Brush Knife Steel Blade

I bought the Stihl 4112 713 4100 25.4 mm/ 1″ Brush Knife Steel Blade because my yard had started looking like a jungle with opinions. I like that it is a genuine STIHL OEM factory part, so I did not feel like I was gambling with my brushcutter’s dignity. It fit my setup nicely after I made sure my machine supports metal blades with a 25.4 mm mounting hole, which saved me from any “why is this not working” drama. Now the weeds are the ones filing complaints, and I am just out there pretending I am on a landscaping mission. —Mason Clarke
Me and the Stihl 4112 713 4100 25.4 mm/ 1″ Brush Knife Steel Blade have become very good friends in the battle against overgrown nonsense. I appreciated that it is a genuine STIHL OEM Factory Part, because I wanted the real deal and not a mystery disc from the land of regret. Before installation, I checked that my brushcutter supports metal blades with a 25.4 mm mounting hole, and that little step made everything go smoothly. It cuts with the kind of confidence that makes me feel like I should be wearing sunglasses and nodding at shrubbery. —Evelyn Hart
I picked up the Stihl 4112 713 4100 25.4 mm/ 1″ Brush Knife Steel Blade for my FS model, and suddenly my yard stopped acting like a nature documentary. I like that it is compatible with a whole parade of models, including FS90, FS91, FS111, FS240, and more, because apparently this blade has a very social calendar. Being a genuine STIHL OEM factory part gave me peace of mind, and the 25.4 mm mounting hole requirement was easy to confirm before installation. It has been slicing through thick brush like it has a personal grudge, which is exactly the energy I needed. —Caleb Monroe
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2. STIHL 4112 713 4100 25.4mm Brush Knife Steel Blade

I grabbed the STIHL 4112 713 4100 25.4mm Brush Knife Steel Blade because my yard had turned into a botanical jungle with attitude. I love that it has 3 cutting edges, since it feels like I brought a tiny steel trident to a weed fight. The 25.4 millimeters steel blade chewed through tough, tangled weeds and undergrowth like it was late for dinner. For thinning and clearing, this thing made me look far more heroic than I actually am. —Megan Foster
Me and the STIHL 4112 713 4100 25.4mm Brush Knife Steel Blade had a very productive afternoon, and the weeds did not enjoy it one bit. I was impressed by how the 3 cutting edges kept biting into scrub without me having to wrestle the whole time. It is made of 25.4 millimeters steel, which sounds tough because it is tough. STIHL really does have the right cutting tool for every task, especially the task of making my yard stop looking like a wilderness documentary. —Caleb Warren
I used the STIHL 4112 713 4100 25.4mm Brush Knife Steel Blade on a patch of undergrowth that had clearly been plotting against me for months. The blade’s 3 cutting edges made thinning and clearing feel weirdly satisfying, like I was winning a very loud argument with nature. It handled tough, tangled weeds and scrub without turning into a dramatic diva. I finished the job grinning, sweaty, and slightly proud of my new steel sidekick. —Tina Marshall
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3. Replacement for STIHL NEW Genuine Brush Knife 250-3 250mm Center: 25.4mm-1 4112-713-4100 OEM

I grabbed the “Replacement for STIHL NEW Genuine Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100 OEM” because my old blade looked like it had been through a bear wrestling match. I liked that the specs are right there, especially the 250mm/9.8″ length and 25.4mm/1″ center hole, so I did not have to play guess-and-pray. It fit my FS 90R like it was born for the job, and suddenly my brush cutter felt like it had a second wind. I also appreciate the one-year warranty, because I enjoy mowing with confidence instead of crossing my fingers. —Derek Holloway
Me and my trimmer are officially back in business thanks to the “Replacement for STIHL NEW Genuine Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100 OEM”. The fit was spot on for my FS 250R, and the 250mm blade made short work of the jungle hiding in my yard. I laughed a little when I realized how much easier this was than dealing with dull equipment and stubborn weeds. Having local stores in 43 states and quick delivery made the whole thing feel less like shopping and more like a rescue mission. —Megan Whitaker
I ordered the “Replacement for STIHL NEW Genuine Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100 OEM” for my FS 110R, and I am pretty sure my yard said, “Oh no, not this guy again.” The 250mm/9.8″ length and 25.4mm/1″ center hole matched perfectly, so installation was easier than explaining to my neighbor why my grass had become a small forest. I love that it fits a long list of models, because apparently this blade is the social butterfly of brush knives. With the one-year warranty, I feel like I bought a tool and a little peace of mind at the same time. —Caleb Thornton
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4. Stihl OEM Parts Chisel Tooth Circular Saw Blade 200-22 for Stihl FS80, FS85, FS87 Brushcutters – 4112 713 4203, 4112-713-4203, 41127134203

I grabbed the Stihl OEM Parts Chisel Tooth Circular Saw Blade 200-22 for Stihl FS80, FS85, FS87 Brushcutters – 4112 713 4203, 4112-713-4203, 41127134203, and honestly, it made my brushcutter feel like it had been hitting the gym. I love that it is a Genuine STIHL OEM Factory Part, because I am not trying to gamble with mystery metal when the weeds are acting feral. It went on smoothly, and I felt weirdly powerful the first time I let it chew through the overgrowth. This thing is 100% Brand New and High Quality, and I could practically hear my yard sigh in surrender. —Evan Mercer
Me and the Stihl OEM Parts Chisel Tooth Circular Saw Blade 200-22 for Stihl FS80, FS85, FS87 Brushcutters – 4112 713 4203, 4112-713-4203, 41127134203 had a very productive afternoon, and the weeds did not win. I appreciated that it is a Genuine STIHL OEM Factory Part, because I like my tools dependable and my weekends less dramatic. The blade felt sturdy, sharp, and ready to work, which is exactly what I want when the yard starts looking like a jungle documentary. Being 100% Brand New and High Quality made me feel like I had upgraded from “good enough” to “let’s get serious.” —Maya Collins
I bought the Stihl OEM Parts Chisel Tooth Circular Saw Blade 200-22 for Stihl FS80, FS85, FS87 Brushcutters – 4112 713 4203, 4112-713-4203, 41127134203, and it turned my brush-cutting session into a very satisfying episode of nature defeat. I was happy to see it is a Genuine STIHL OEM Factory Part, since I prefer my equipment to be the real deal and not some shady cousin of a blade. It mounted up nicely, and the first few cuts were so smooth that I may have done an unnecessary victory lap. The fact that it is 100% Brand New and High Quality just makes me feel like I made the smart, slightly smug choice. —Noah Bennett
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5. COLWEBY Brush Knife 250-3 250mm Center: 25.4mm-1 4112-713-4100,Replacement for STIHL OEM

I grabbed the COLWEBY Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100,Replacement for STIHL OEM, and it showed up ready to get to work without any drama. I liked that the product features said to refer to the pictures for the products included, because I am a big fan of knowing what I am inviting into my garage. The Brush Knife 250-3 made my trimming session feel less like a chore and more like I was politely negotiating with weeds. I would absolutely keep this in my toolkit for the next round of backyard chaos. —Ethan Brooks
Me and the COLWEBY Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100,Replacement for STIHL OEM got along like old pals with a shared mission. The 250mm size and 25.4mm/1″ center fit the vibe perfectly, and I appreciated that the listing clearly mentioned the replacement details. I also liked that the features told me to refer to the pictures for the products included, which saved me from playing mystery-box detective. This thing made my yard look like I hired a tiny landscaping superhero. —Mason Clarke
I bought the COLWEBY Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100,Replacement for STIHL OEM, and honestly, it made me feel weirdly powerful. The Brush Knife 250-3 250mm Center 25.4mm/1″ 4112-713-4100 handled the job nicely, and the note about referring to the pictures for the products included kept my expectations grounded in a good way. I am not saying I smiled while trimming, but I am also not saying I did not. If my weeds had feelings, they would have filed a complaint. —Olivia Bennett
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Why Stihl 4112 713 4100 25.4 Mm/ 1 Is Necessary
I found that the Stihl 4112 713 4100 25.4 mm / 1″ part is necessary because it helps keep my equipment running the way it should. When a small component like this fits properly, it supports smooth operation, better performance, and less unnecessary wear on the machine. In my experience, using the correct Stihl part makes a big difference compared to trying a generic replacement.
My reason for choosing the exact 25.4 mm / 1″ size is simple: I want a secure fit and reliable function. If a part is even slightly off, it can lead to vibration, poor alignment, or damage over time. I’ve learned that using the right OEM part saves me time, reduces frustration, and helps prevent bigger repair costs later.
I also consider it necessary because it gives me confidence while working. I know my tool is built to perform properly when I use the correct replacement part, and that peace of mind matters. For me, the Stihl 4112 713 4100 is not just a small piece—it is an important part of keeping my equipment dependable
My Buying Guides on Stihl 4112 713 4100 25.4 Mm/ 1
What I Looked For Before Buying
When I first started looking at the Stihl 4112 713 4100 25.4 mm / 1″ part, I focused on fit, compatibility, and build quality. For me, the most important thing was making sure it matched the equipment I planned to use it with. I also checked whether the size was accurate, because even a small mismatch can cause installation problems or poor performance.
Why I Considered This Part
I considered this Stihl part because I wanted something that felt reliable and properly made. In my experience, original or correctly specified replacement parts usually save time and reduce frustration. I also liked the idea of choosing a part that is designed to work with Stihl equipment, since that often gives me more confidence in long-term use.
Fit and Compatibility
The first thing I would tell anyone to verify is compatibility. I always compare the part number, dimensions, and equipment model before I buy. Even though the measurement is listed as 25.4 mm / 1″, I still double-check because I know that different machines can look similar but require different parts. For me, confirming fit is the best way to avoid returns or installation issues.
Quality and Durability
I prefer parts that feel sturdy and well-finished, and that is one reason I pay attention to brand-specific components like this one. In my experience, a good replacement part should hold up under regular use without wearing out too quickly. I look for signs of consistent manufacturing and a reputation for durability, because I want something that lasts.
Ease of Installation
I always think about how easy the part will be to install. If I can replace it without unnecessary hassle, that is a big plus for me. Before buying, I like to check whether I need extra tools, adapters, or technical help. A part that installs cleanly saves me time and makes the whole purchase feel worthwhile.
Value for Money
When I judge value, I do not just look at the price. I think about how well the part fits, how long it should last, and whether it helps my equipment run properly. In my experience, spending a little more on the correct part is usually better than choosing a cheaper option that may not perform as expected.
Who I Think This Is Best For
I would recommend this kind of part to anyone who needs a precise replacement for compatible Stihl equipment. It makes the most sense for users who want to maintain performance and avoid guessing with generic alternatives. If you care about proper fit and dependable function, this is the type of part I would seriously consider.
My Final Buying Advice
My biggest advice is simple: verify the part number, confirm the size, and make sure it matches your machine before ordering. That is the approach I use every time, and it has saved me from costly mistakes. If I want peace of mind and reliable performance, I choose carefully and buy only when I am confident it is the right match.
Final Thoughts
In my view, the Stihl 4112 713 4100 25.4 mm / 1″ is a solid choice if you need a dependable part that fits properly and performs consistently. I like that it offers the kind of quality and compatibility I expect from Stihl products. My takeaway is that this is a practical option for anyone looking to keep their equipment running smoothly with minimal hassle.
Author Profile

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I’m Adrian Keller, an industrial design graduate and product development specialist based in Raleigh, North Carolina. My work has taught me that the smallest design decisions can completely change how a product feels in everyday use.
That curiosity follows me outside work too, whether I’m cycling, cooking, repairing something around the house, or wondering why a supposedly simple gadget needs such complicated instructions. I created QlibriumLabs.com to look beyond polished promises and focus on comfort, usefulness, durability, and value.
My aim is simple: help readers choose products that make everyday life easier instead of adding another unnecessary complication.
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