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Trimmer Heads & Blades

The right tool for the job

Having the proper tool for the job can make all the difference, and STIHL has a cutting head or blade appropriate for even the most challenging landscaping job. We even manufacture our own trimmer line to withstand temperature changes and abrasion. Metal, plastic, commercial, and quiet, your Authorized STIHL Dealer can explain the many options available and help you find the right replacement head, blade and line for your STIHL trimmer, brushcutter or clearing saw.

Cutting Heads & Blades Selection Chart (PDF)
Trimmers Frequently Asked Questions
  1. 3 years ago
    Cutting blade for Extream cutting and clearing jobs.
    Bought this for my FS90, 5 years ago. I cleared 3 acers in Eastern North Carolina. There was saplings pampas grass, Bamboo, Reeds, wild Blueberry patches, these Devil vines, and of course crabgrass and a lot of different clumping grasses. I had purchased and burned up 3 different brands of trimmers. I started using my FS90 with the string cutting this material, would not work. Then we put this beast on the powerful FS90. The grass was flying, the 2" saplings were no match. I swear I couldn't ... read more believe how fast and well this cut through everything in it's path. I'm not talking shredding it cut cleanly, the ends of the grass was perfectly trimmed. I now use this to finish cut around the house. This blade will need to be sharpened, but the performance of this blade far surprises any other blade I have tried.
  2. 2 years ago
    BEST Choice for cutting saplings, small trees, & harvesting Christmas trees!
    This is the BEST sawing blade offered by Stihl. However, this blade is not recommended for general brush control or weed control. This blade is done for the day on it's first trip into the ground! It should not be used where the ground is irregular or where sand & rock are prevalent. Keep it away from trunks that are contaminated with soil. In other words, keep it high & dry and you'll be just fine. These comments apply to the other sawing blades in the Stihl line as well.
  3. 2 years ago
    Wow! Like a lightsaber!
    I used this today for the very first time, and let me tell you, it is as cool as can be. I expected it to take a second or two to go through what I was cutting (trees 1-2 inches in diameter), but no sir. Like a hot knife through butter. It zipped right through it like a lightsaber. It was on my line trimmer attachment for my KM131R. It makes quick work for whatever you're cutting down. I love the fact that I can sharpen the blade and that with proper care, it will last a long time. Well played ... read more STIHL. Well played.
  1. 6 years ago
    Simple to use and quick installation
    Would recommend this product to anyone it's so simple to use no more agervashion of spuling up line.
  2. 7 months ago
    Very durable. I use .155 spiral line.
    I bought this with my FS-56-RC-E trimmer because it was the only head that was big enough to use my .155 spiral line in. I store my line in water until I use it. The ONLY time I have to replace my line is when I use my trimmer as an edger by cement, or when I get too close to the chain link fence. I use 2 lines in the head so that I have 4 pieces cutting. I love this head. I've used it for 2 seasons with absolutely NO problems.
  3. 6 years ago
    More efficient than an auto feed head.
    SURPRISED: This is my third season using this head. I had all but given up on using string trimmers until I found this head. Most people probably won't agree on my efficiency comment. But, it beats untangling auto feed spools any day. MAINTAIN: I have found that the head must be taken apart and cleaned on a regular basis. I soap and water to clean & silicone spray sparingly to lube the pins. This is a must if it is being used around sandy soils or in dry conditions. LINE FAILS: As to the pull ... read more out problem I find that the line striking rocks or rough cement to be the biggest cause. I find that having a pocket full of inserts and a pair of pliers is much simpler than fooling with auto feeds.
  1. 5 years ago
    This product has pretty good features on it. its easy to use and very quick and easy to change the blades.
    I used this product over the summer last year at my job. I used it for about 2 1/2 months and i had to switch to a different blade. It cuts very well in thick and tall grass but it you hit a tree, rock, or piece of metal the blades get dull then break off. The blades are expensive for what they are. i can go through about 2 packs of blades in about 3 days where i work. I would recommend that if you buy this weed eater head you just cut where you know there's just grass and not rocks, trees or metal.
  2. 2 years ago
    Great for tall grass
    I got this head a few years ago for my FS-40C when I was trying to figure out what would work best for what I do. I used it a while for everything I do at the farm and it was okay, but I found that it is inferior by a wide margin to the Autocut string head I've replaced it with for shorter grass and trimming around trees and fences. This head isn't useless though. It shines in tall grass and weeds. The FS-40C turns clockwise, so I take the usual big swath to the right when I cut. This head does ... read more an excellent job of cutting tall grass at the bottom and not sucking it back into the cut like a string head does. This means that you can cut the grass and throw it all in a row or pile very easily. This head also does an excellent job of cutting at lower throttle because it needs less power to work than string. The only things I don't like are that the blades could be longer and they wear down too easy on heavier weeds. If they were made of metal this would be incredible.
  3. 3 years ago
    I went into the store to get a metal grass blade and was begrudgingly talked into this cutting head. I really had my doubts that it could handle my garden. I had massive weeds (>6' tall) and raspberry bushes. You couldn't walk through the garden. This mowing head went right through everything. It absolutely decimated everything in its path. This thing is a monster in all the best ways. Also, it is incredibly easy to swap between this cutting head and the string trimmer head that came on my FS-56.
  1. 10 months ago
    Great for thicker lines.
    Bought this head to go on my fs240. I use .130" cf3 pro line and it will last all day cutting thick grass without breaking. The head is well balanced and feels like it is heavy built, so far I haven't had the line to sling out so it seems to hold the line extremely well.
  2. 3 years ago
    Durocut 2-20
    Use this head with .095 string instead of buying expensive little cut pieces. you will need a good pair of cutters. use the thick precut pieces it comes with to get right size of string. you have to spend time cutting these pieces, but I only go through about eight per lawn. I run the weedwacker at 70% power so string doesn't break you have to find the sweet spot where you're cutting effectively and not breaking the string. love this durocut head love my Stihl weedwacker. another thing they told ... read more me to start it on choke. after it warms up just start it without putting it on choke only on starts where she sits a long time choke and prime when she's warm just pull string to start 10/10 best weedwacker I've ever owned get the durocut 2-20 and spend your time productively trimming.
  3. 3 years ago
    Excellent Head
    Easily installed the DuroCut Head 20-2 and have been very pleased with its performance. It has been very reliable and it is very easy to change the strings. The DuroCut Head is much less hassle than a bump head. Thank you Stihl for making this head and pleased do not discontinue it.
  1. 3 years ago
    Great Product
    I bought this blade to clear an overgrown powerline right of way. Lots of blackberries, small bushes, vines and briars along with some grass. My FS110R did fine with the the stock string trimmer head on the grass but the brushy stuff was eating the string. Installed this blade and went to work. Takes a little bit to get the feel for it but after about 15 minutes it was chewing up everything in sight. There is some type of thorny vine that closely resembles barbed wire and it was no match for the ... read more brush blade. Small saplings under 1" drop with ease. This land is extremely rocky and after hitting several of them the blade was undamaged. While it doesn't do well with larger saplings if you need to clear an area with thick weeds, vines, and brush this is the ticket.
  2. 5 years ago
    Terrific for woody brush
    I have been clearing brush in NH, mostly ferns and other weeds, with an occasional hardwood or pine sapling. Those saplings didn't always go down with the string trimmer. The "Ninja Blade" whipped right through hardwood saplings up to about 1/2 inch and with a little time go rid of ones up to 1 inch. Well worth the money.
  3. 3 years ago
    Best Metal Blade Available
    I purchased my brush knife a year or so back and since then it has seen regular use on both my FS55RC and FS90. This is by far my most favorite metal blade out of the ones I own. I have cleaned up areas with briars, small saplings, random undergrowth and brush that would take a man several hours to clear by hand. With this blade however I'm able to clear through the thickest of brush and the end result is a nice clear area.
  1. 6 years ago
    Best all purpose blade around.
    Bought this for some overgrown brush and weeds with a few saplings mixed in. My dealer said it would do everything I asked of it and more, and he was dead on. Cut through green saplings and woody vines like a laser beam. I like the efficiency and simplicity of it. A few seconds with a file and you're cutting like its new again. Would strongly recommend this blade for brush cutting chores.
  2. 6 years ago
    useful accessory
    I bought the 4 bladed model. As they come from the factory they're not really sharp. Works well on brush up to 3/8 inch. Works well on grass but has a small cutting diameter. I prefer the poly-cut blade for light brush and all around use.This one is better in slightly heavier brush. Watch this one in rocky ground. I don't like switching blades, but if what I will be cutting is mostly brush, I will put this one on to save my poly-cut blades.
  3. 6 years ago
    Much better than the old 2 handed mowing scythe.
    I have used the 8 blade on a FS 76 for several years to mow around my cabin and a driveway about 300 yards long. I usually cut 2 or 3 times a year. It lays the grass and green briers over right where they were growing just like cutting hay with the manual mowing scythe. You don't have to run the blade very fast for it to cut good. I find a little above idle works best for me. You still have to get in a rhythm of swinging side to side. The blade seems to stay sharp for a years worth of cutting. ... read more To sharpen I just clamp the blade to my drill press table with the blades over the edge. About 6 strokes with a file on each edge and it is good for another year.
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