Choose the trimmer line

Choose the trimmer line

To keep the spaces around the house or garden clean, we often use the brush cutter. This tool is a valuable aid, provided you can use it in the best way.

When it comes to mowing grass it often happens to use the line head, even if mowing discs and knives are valid alternatives. It therefore becomes important to know how to choose which type of line to use on the heads of our brushcutters.

To decide which wire to mount, two factors must first be considered:

  • The power of the tool, which can be a handy border model or a large professional brush cutter.
  • The type of mowing that we intend to complete.

In listing how to choose the best thread for our brushcutter we will see a simple trick, which will help us understand the goodness of the line we intend to buy. We will also understand how to choose the diameter of the same based on the power of our machinery and the type of vegetation to be cut, we will examine the peculiarities of the different types of wire and how to best preserve it.

Always buy a quality thread

Regardless of the profile or diameter of the wire that we are going to buy, it is always good to buy good quality ones, perhaps referring to a well-known and reliable brand in the sector, so as to guarantee good autonomy and few hassles.

A trick that can be useful to us to evaluate the goodness of a thread is its flexibility. The more "soft" and flexible it is, the greater its tendency to flex when hitting grass and obstacles, rather than breaking.

Evaluate the power available

It might seem obvious that a larger line ensures a longer life, but be careful because this is not so true in terms of work performance and minimization of stress on the engine of our brushcutter.

A wire larger in diameter or with a profile that offers a greater impact surface with the air will also be more restrained by the same or by the grass it will hit. It must therefore be borne in mind that as the surface of the wire exposed to air increases during rotation, the effort that the motor will have to make will also increase. For this diameter and surface must be proportionate to the power of the tool.

In general, the advice is to always choose the smallest wire that can meet your specific cutting needs. This will also mean lower consumption at work.

Evaluate the type of mowing to be done

In order to obtain maximum yield with minimum effort, it is good to evaluate what type of wood will be cut with our brush cutter.

When it comes to gardens with simple well-kept grass borders, a 2.5mm diameter wire is more than enough to cut the herbs it encounters without wearing out too quickly. So it is the best choice.

For mowing tall and fat weeds, in dirty soils and with obstacles, it is advisable to choose a wire between 2.7 and 3 mm in diameter.

For heavier jobs, you can even reach 3.5mm, but it is necessary to use high-powered brushcutters and above all to consider the use of alternative accessories, such as mowing discs.

To cut young green brambles for example, a good wire between 3 and 3.5mm could be decisive even without the need to use a disc, but for heavier jobs it would not be very effective.

Round, Square, Animated, Muted

There is now one multitude of threads for brushcutter on the market, with shapes and sizes most disparate. Wanting to focus our attention only on the most significant types, let's start with the comparison between square and round wire.

The round section wire it is the one with the least impact on the air with the same diameter and is characterized by a noise that is not too intense, a rather clean cut and a fair duration (for the same type of wire in question).

The square section wire it has a greater impact with the air, greater noise, a less clean cut than the round profile, but a longer duration than the latter, by virtue of the greater area of ​​its section.

Following this philosophy, to combine the duration of a polygonal section wire with the cutting capacity of a round section wire, wires are also produced with pentagonal or "star" to always offer a rather sharp edge on impact with the vegetation, so as to improve cutting capacity by reducing effort. An example is the STIHLl Hi-Tech line for brushcutters “CF3”.

To improve the duration of the wire over time, various stratagems were used, one of which consists in inserting a smaller wire with complementary mechanical properties into the hollow wire with particular mechanical properties, thus managing to obtain a single wire, called animated, which can combine flexibility and wear resistance. The silenced wire, or with a profile designed to reduce noise, thanks to its shape that minimizes the impact with the air, is especially suitable for use in environments close to homes or in parks and places where better acoustic comfort can be appreciated.

STIHL has in its catalog a complete line of wires for all needs, including silenced wires.

Store in a cool and ... humid place!

You understood well, contrary to what you often read on the labels of edible or non-edible products, a good conservation of the brushcutter line benefits from humidity. The thread is composed of hygroscopic polymers, that is, able to absorb the water present in the air. This is why if stored in warm and dry environments, perhaps in direct contact with light, it will tend to become brittle. Store it in the cellar, perhaps in a bin full of water, you will be surprised at how its properties will remain unchanged over time and indeed, how they could improve compared to the same just bought in the store.

In conclusion, by purchasing a quality thread, perhaps by turning to a reliable brand, having taken care to take into account the power available and the type of work to be done, you will certainly be able to complete the job with satisfaction regardless of the '' have chosen a trimmer line of one shape rather than another.


Video: G-MAX, DigiPro 40V14 String Trimmer - The Trimmer Line