Best String Trimmer Heads 2021

Working with a worn-out string trimmer head will not only waste your time but will also frustrate you.

As such, always ensure that you equip your trimmer with a high-quality head that will help you trim down your lawn within the shortest time possible.

To help you out in choosing the right equipment, we have assorted some of the high-quality string trimmer heads that you can consider using as replacements for your current trimmer head.

Most of these accessories come with pre-wound lines and other innovative features that will greatly boost the performance of your trimmer.

Additionally, the trimmer lines on these tools are replaceable, so you can swap them with new ones should there be a need to do so.

Best String Trimmer Heads

1. Husqvarna 966674401 T25 Tap Trimmer Advance Head

Husqvarna 966674401 T25 Tap Trimmer Advance Head

If you are looking for a replacement for your trimmer head, the Husqvarna T25 may just end your search.

Coming from a brand that gives quality top priority, you can go for this trimmer head knowing that it will serve you well.

Besides, it is made from materials that are of superior quality, thus making it efficient and reliable.

This tool has a straightforward design and is equally easy to install. Plus, this equipment is compatible with both straight and curved trimmer shafts.

Reloading this trimmer head is very easy since you can easily access the spool by detaching the cap.

As such, you won’t have to place the trimmer head in an upside-down position when adjusting the line.

Moreover, this trimmer head is marked with arrows that will guide you as you wind the line. This not only eliminates guesswork but will also reduce your downtime.

Thanks to the spool’s split design, the trimmer line won’t melt, and neither will it clamp to itself even when the trimmer head is spinning at full speed.

The spool features a dual key slot design, which prevents the line from unwrapping as you fasten the cap.

This unit comes pre-wound with a strong trimmer line that will provide you with long-lasting service.

To make it even better, the trimmer line is fed automatically, thus providing you with a frustration-free trimming experience.

Pros

  • Conveniently designed
  • Easy to work with
  • Wide range compatibility
Cons

  • The instructions are not as clear

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2. Weed Warrior Lock Head

Weed Warrior Lock Head

The replacement trimmer head from Weed Warrior is uniquely designed with your trimming needs in mind.

Fitted with four trimmer lines, this unit will provide you with maximum cutting power in all trimming situations.

It can work with virtually all brands of cordless and gas-powered trimmers. Additionally, it can accommodate a variety of trimmer lines, so you will have plenty of options to choose from when shopping for a line.

This trimmer head will allow you to trim a large area within the shortest time possible and can as well come in handy when edging.

Due to its rugged construction and the high-impact materials used in the design, this unit can take on any trimming task that you may throw at it.

As such, you can use it when trimming grass, small weeds, etc. You can simply feed the line in three easy steps without taking the whole thing apart.

This will enable you to swap lines in a matter of minutes, thus eliminating unnecessary time wastage. You can save even more time by pre-cutting the lines before each trimming session.

The other thing that is worth mentioning about this trimmer head is that you can easily attach it to your trimmer shaft by hand.

Pros

  • Heavy duty
  • Easy to reload
  • Superior durability
Cons

  • Cutting the trimmer line is a bit involving

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3. Oregon Gator SpeedLoad Universal Pro Trimmer Head

Oregon Gator SpeedLoad Universal Pro Trimmer Head

This trimmer head is not only innovatively designed but also has amazing features that will dramatically increase your performance when using a trimmer.

The good thing about this trimmer head is that it has no loose parts that may fly off while you are trimming.

Also, it requires minimal maintenance, so you will only be required to clean the tool after each use.

The most impressive feature, however, is the pre-wound disk-shaped line that the trimmer comes with.

More to this, the line is heat-treated to maximize durability, so you won’t have to make frequent replacements.

The trimmer line has a convenient tongue-and-groove design to facilitate fast cutting. Plus, the plastic head is constructed from premium-grade materials to minimize wear and tear as the head spins.

That is not all; the head is also shock-resistant and will allow you to take on heavy-duty trimming tasks without experiencing mechanical complications.

This trimmer head is fitted with side taps, which will give you quick access to the line when reloading the unit.

If your hands are fast enough, you will be able to reload the line in less than twenty seconds, thereby allowing you to proceed with the trimming.

With this trimmer head, you will have an added advantage when trimming or edging your lawn.

For user convenience, the manufacturer has included a user manual in the package to give you an easy time.

Pros

  • Delivers good results
  • Quick reload
  • Designed to last
Cons

  • Requires more line compared to most trimmer heads

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4. Pivotrim Rino Tuff Universal Hybrid String and Bladed Trimmer Head

Pivotrim Rino Tuff Universal Hybrid String and Bladed Trimmer Head

This hybrid trimmer head is also another excellent option that you can consider using as a replacement for your current trimmer head.

It features an advanced cutting system, which uses blades and strings. With that said, you can use the option that best suits you.

When trimming grass, you should consider using the regular trimmer line. Nonetheless, the blades can come in handy when tearing through overgrown weeds in your lawn.

Alternatively, you can use both the line and the blades at a go to increase the tool’s cutting power.

The blades are designed with serrated edges for increased performance when dealing with stubborn weeds.

When it comes to making reloads, simply cut, loop, and insert the trimmer line into the included slots.

Besides, this trimmer head has a tool-free design, so you can make the required adjustments in no time.

This equipment can work with trimmer lines from all brands, so you just have to ensure the line in question is of the right size.

More to this, it has a convenient screw-in design, making it easy to set up. The included adapter pieces will allow you to attach this trimmer head to different trimmer shafts with ease.

Also, the string attachment points can swivel, so the lines won’t get damaged in case they come in contact with concrete surfaces or fences.

This unique shock-absorbing feature ensures that each trimmer line lasts for as long as possible.

Pros

  • Sturdy construction
  • Fast cutting
  • Efficient
Cons

  • Swapping trimmer lines may take time

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5. ECHO 78890-21001E High Capacity Speed Feed 450 Trimmer Head

ECHO 78890-21001E High Capacity Speed Feed 450 Trimmer Head

Echo provides you with a powerful trimmer head that will allow you to trim down your lawn with minimal strain.

This unit features a speed-feed system that will enable you to reload the trimmer line in seconds.

Also, no tools will be required during this process, thus making it even more dependable. The materials from which this trimmer head is made are of good quality, so the tool will last for an extended period as long as you use it responsibly.

The eyelets are heavily reinforced, so the trimmer line won’t eat through the plastic casing. With the help of its bump feed mechanism, you can make accurate line adjustments when working with the tool.

Like the trimmer head just before it, this unit ships with adapters that you can use during installation. As a result, you will be able to link this head to different brands of trimmer shafts.

However, you have to keep in mind that this equipment is specifically designed for straight shafts, so ensure that you check on the specifications before making your order.

The plastic cap is ridged to prevent slippage when detaching or attaching the trimmer head to the shaft.

Pros

  • The trimmer head comes pre-loaded
  • Heavy duty
  • Allows for effortless reload
Cons

  • Not compatible with curved-shaft trimmers

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6. Tanaka 32307 No Brainer Quick Load Cutting Head

Tanaka 32307 No Brainer Quick Load Cutting Head

The trimmer head by Tanaka is smaller compared to most trimmer head replacements, but it can still get the job done.

Plus, it is durably designed to provide users with prolonged service. Additionally, you won’t have a hard time installing the trimmer line into this tool because it is built with a quick-load mechanism that will allow you to attach the string fast.

The head ships with six strips of trimmer lines that will get you started on your first trimming project.

Aside from that, you will also get adapters that will help you attach the head to a trimmer shaft of your choice.

The plastic casing is made from a corrosion-resistant material that is equally durable. As such, it won’t crack or break during usage.

This makes it reliable, so you can comfortably trim the grass on your lawn without worrying about anything.

The fact that it features a single-line design makes it cost-effective because you won’t have to buy multiple lines.

To top it all up, the line can be fed directly without disassembling the trimmer head.

If you are looking to get maximum results, you should consider attaching this head to a curved-shaft trimmer.

Pros

  • Easy to use
  • Straightforward design
  • Extremely durable
Cons

  • Only accepts round trimmer lines

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7. Husqvarna 537388101 Universal T35 Tap Advance String Trimmer Head

Husqvarna 537388101 Universal T35 Tap Advance String Trimmer Head

The Husqvarna T35 is almost similar to the T25 that we covered at the beginning of the list.

This trimmer head is equipped with a large tap knob that enables users to make quick and easy adjustments to the trimmer line.

To prevent the line from tangling or welding, the manufacturer has designed the spool in such a way that the trimmer string won’t heat up excessively when the trimmer head is being used.

When you detach the trimmer cap, it will come off with the spool, meaning that you won’t have to turn the unit upside down when adjusting the trimmer line.

The eyelets are strategically placed to maximize the trimming effect, so you will be able to trim down a large area with just a few passes. Also, the line will be fed automatically when you bump the head onto the ground.

This trimmer head can work with virtually all  Husqvarna trimmers, making it one of the replacements that you can consider adding to your shopping list.

Nonetheless, it can as well be attached to shafts from other brands such as Stihl, RedMax, Echo, just to mention but a few.

Pros

  • The line is pre-wound
  • Easy reload
  • Performs well
Cons

  • The included line is not as durable

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8. Kwik Loader KL650 Universal Dual Line String Trimmer Head

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Designed with a stainless steel locking system, the Kwik Loader KL650 is as durable as they come.

As the name suggests, this trimmer head is easy to reload, hence making it a suitable option for all users. That said, you can swap worn-out trimmer lines with new ones without wasting any time.

Upon purchase, you will get extra pieces of trimmer lines that you can use as replacements. In addition to this, the package comes with several accessories that will allow you to link this trimmer head to different shafts.

Moreover, the included nuts are color-coded for identification purposes. This eliminates unnecessary guesswork when setting up the head.

Consequently, each part will go where it is supposed to be, thereby maximizing the overall performance of the trimmer head, and at the same time, increasing its durability.

The easy-to-read installation instructions will guide you on how best you can attach the included accessories to get maximum results.

You can easily thread the line without using additional tools during set-up. The locking mechanism will hold the line in place, thus preventing it from coming off when the head is spinning.

As if that is not enough, this unit accepts trimmer lines of any shape, so you can attach round, square, multi-sided, or any other trimmer line that is readily available.

Pros

  • Robust design
  • Dual-line
  • Time-saving
Cons

  • Not compatible with all trimmer shafts

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9. MaxPower PivoTrim Universal Replacement Trimmer Head

MaxPower PivoTrim Universal Replacement Trimmer Head

The high-performance trimmer head from MaxPower is also another dependable option that will provide you with good results.

This unit uses six trimmer lines that will allow you to slice through grass effortlessly. The line holders can pivot in either direction, thus preventing possible damage when the lines come into direct contact with hard surfaces.

To add to this, the trimmer head comes with pre-cut lines, so you will only have to attach them to the unit and you’ll be good to go.

Both the trimmer head and the lines are of superior quality, so you can rest it knowing that all the units will last.

This universal trimmer head can work with different models of trimmer shafts, so it won’t limit you in any way when switching shafts.

Plus, the lines will provide you with clean cuts, so you will have yourself a neatly trimmed lawn once you are done with the work.

The line holders are firmly attached to the trimmer head by stainless steel screws that are also corrosion-proof.

Thanks to its screw-in design, you can easily attach this trimmer head to shafts with just a few twists. Attaching the lines is equally easy since you only have to cut and insert. This will greatly reduce your downtime when tackling large trimming tasks.

To trim more material, ensure that each line is cut to the required length. You can use the instructional manual to get a better understanding of how it should be done.

Pros

  • Premium quality
  • Can trim and edge
  • Fits most trimmers

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10. Grass Gator 5600 Trims & Edges Replacement String Trimmer Head

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Grass Grator’s multifunctional trimmer head can trim and edge, so you won’t have to buy multiple trimmer heads when tackling landscaping projects.

Additionally, the tool is made from lightweight materials that will allow you to operate your trimmer for long hours without straining yourself.

Apart from that, this head is of high quality, so you can count on it when handling both light and heavy-duty trimming tasks. It is designed with four cutting ends, allowing for fast and effortless edging.

This unit can work with just about any gas-powered trimmer and will provide you with even better results when paired with the commonly used models. And the best part about it is that it can be attached by hand without using fastening tools.

The plastic material used in the design is tough and reliable. This equipment will arrive on your doorstep with the strings pre-attached, so you can hook it up to your trimmer immediately.

For safety purposes, you should check if all the parts are firmly attached before you start trimming.

Besides, the trimmer head is innovatively engineered, so the lines won’t tangle, and neither will the spool wind when you are working.

Pros

  • Commercial grade
  • Simple installation
  • The lines are pre-cut for user convenience
Cons

  • The locking mechanism could use some improvement

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. Sure Load Universal Trimmer Head Replacement

Sure Load Universal Trimmer Head Replacement

If you own a gas-powered trimmer, then this may just be the trimmer head for you. You can reload the line in just a few seconds, so it will save you more time when trimming large lawns.

The manufacturer has included all the parts that you may need, so you won’t have to buy anything separately.

In addition to this, the line eyelets are strongly built for durability purposes. Plus, the swivel mechanism allows the lines to adjust automatically, thereby preventing breakage.

With the help of this trimmer head, you will have a stress-free experience when trimming grass and other weeds. This equipment can hold multiple trimmer lines, making it super-efficient.

More to this, the assembly process will only take a few minutes of your time. Since it has a simplistic design, you’ll be able to customize this trimmer head with ease.

The included fasteners are of good quality and will ensure that all the parts stay attached at all times.

Once the trimmer lines are attached, they won’t fly off regardless of how fast they spin. This will allow you to trim continuously without adjusting the lines.

Ensure that you clean the head and all its components after each use to prolong durability.

Pros

  • No winding
  • User friendly
  • Compact design
Cons

  • The lines are not durable

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Frequently Asked Questions

How often should I replace the line on my string trimmer head?

This will depend on the frequency of use and the type of plant materials that you cut with the trimmer.

With that said, if you use the trimmer regularly, the lines will wear out faster and vice versa. Plant materials with thick stems may also cause the trimmer lines to dull with time.

As such, you can replace the lines at any given time provided that they are worn-out.

What makes a good string trimmer head?

To get maximum results, ensure that you buy a trimmer head that is compatible with your trimmer shaft.

In addition to this, you should check if the materials used in the construction are of good quality since this will determine how long the tool will last.

Aside from that, ensure that the trimmer head has a reliable locking mechanism that will hold the lines in place.

How many cutting ends does a string trimmer head have?

Most trimmer heads have two or four cutting ends, while others have up to six, so it will depend on the design of the equipment that you are using.

Final Verdict

The string trimmer heads that we have listed above are very efficient and can help you cut through grass and weeds with the utmost ease.

Most of the trimmer heads on our list are commercial grade, so you can rely on them when tackling all sorts of trimming tasks.

To add to this, they can also come in handy when landscaping or when handling any other task that may require the services of a trimmer.

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