Glass cutter comparison 2018

Purchase advice on the glass cutter comparison or test 2018

  • The term "glass cutter" can be misleading because glass is only scratched with the tool and not cut. At this incised edge, the glass can then be broken off.
  • Diamond cutters and wheel cutters are the most commonplace in everyday life. Glass cutters with diamond are particularly fine and sensitive and therefore something for experienced craftsmen.
  • With a little cutting oil, the cutting process can be facilitated. The resulting glass chips are bound in the oil and the glass cutter slides easier along the desired line.

Glass cutter comparison 2018: cutter

Glass is an important building material in German industry. In house construction, in everyday objects such as bottles or for terrariums glass is usually needed. By 2020, sales of building materials, glass and ceramics are projected to be around 32 billion euros (Source: Statista).

Especially hobbyists can make use of the versatility of glass. Thus, often own terrariums or aquariums are built, old bottles are converted as vases or the mirror is shortened itself. For such work, a glass cutter is needed to process the material. What tools are suitable for your projects, what you should pay attention to when buying and how you simply "cut" the glass, we explain in our glass cutter comparison 2018.

1. Glass is not cut but scratched

Glass cutter comparison 2018: cutter

The wheel cutters have up to six cutting wheels.

The term "glass cutter" is actually unsuitable for its function. The glass will be not cut but only scratched, At this so-called fissure, the glass is then broken off. The glass cutter you can either pull or push, with the sliding is rather something for experienced hobbyists.

It is important that you use the glass cutter just pull once on the desired line with moderate pressure, If you drive the fissure several times, the quality of your tool can suffer and also the broken edge can become dirty. To the To simplify cut, you can instead use a few drops of oil or drizzle kerosene to the desired line.

Danger: Always wear safety goggles when working with a glass cutter and gloves when breaking them to protect yourself from the glass shavings and splinters.

2. Which glass cutter types are there?


Silberschnitt is not a special form of glass cutter, but the brand of the manufacturer Bohle. Many professionals use this brand because it is of very high quality.

The products are often called "Silberschnitt", although they are not sold by Bohle. Behind it could also hide products that bear only the name. Some providers also sell the brand under their label, which at least the quality of the glass cutter is secured.

Depending on, which "blade" the glass cutter has, is distinguished in diamond glass cutter or glass cutter with steel wheels. There are also tailors who have a built-in oil tank to optimize the cutting result. Glass circular cutters, bottle cutters or electric glass cutters are also available.

Incidentally, Stiftung Warentest has not yet carried out a glass cutter test.

2.1. Diamond glass cutter

The diamond cutter is characterized by the, as the name suggests, diamonds, which is used to cut the glass. These cutting diamonds have been used for centuries. Only in the 19th century he was replaced by the glass cutter with steel wheels.

Glass cutter comparison 2018: glass cutter

To make sure your line is straight, pull the glass cutter along a ruler.

The Diamond glass cutter does not need much pressure to scribe a fissure and is therefore particularly well suited for working with a template. Especially with thinner glasses, the lower pressure is advantageous because such a disc is more sensitive. However, a diamond cutter is rather something for more experienced craftsmenbecause it can easily break. Anyone who uses the tool incorrectly, for example, does not use the right diamond thickness, has quickly made its tool unusable.

The same applies to diamond cutters: Practice with cuts along the ruler to get a feel for the glass cutter.

2.2. wheel Schneider

In England, the glass cutter was invented with steel wheels. This tailor is the most common representative of his kind in everyday life. Here you do not have to pay attention to a certain thickness or handle it very carefully. The glass cutting goes after a few practice cuts also lay easier by the hand.

Always consider the correct angle setting the wheel cutter, because for different thickness glass always another cutting angle is needed. However, you can cut with this glass cutter bad on stencils. Hands-free cutting is better achieved with a diamond cutter.

Advantages and disadvantages of the wheel cutter compared to the diamond cutter:

  • also suitable for other materials (eg tiles or ceramics)
  • a tool for different glass thicknesses
  • easy to use
  • usually cheaper
  • rather unsuitable for very thin material (for example porcelain)
  • less time to break the material (fissure cools faster)

2.3. Other types of glass cutters

For some tasks, such as the processing of bottles, Special glass cutters are better. So if you are looking for a specific type of glass cutter, we will introduce you to a few of these items as part of our buying guide.

Glass cutter typeparticularity
Oil Cutter

Glass cutter comparison 2018: glass cutter

  • Integrated oil tank in the handle
  • Oil is distributed by tool during cutting process
  • easier "cutting" of the tools
bottles Schneider

Glass cutter comparison 2018: comparison

  • Cutting device made of metal
  • suitable for different bottle sizes
  • also here only once scribing the bottle
  • Separation by changing heat and cold at the fissure (for example by hot and cold water)
Glass Circle Cutter

Glass cutter comparison 2018: glass cutter

  • not as easy as shown on TV
  • like a circle
  • The best way to break out a round disc is with a rubber mallet
electric glass cutter

Glass cutter comparison 2018: comparison

  • intended for thicker materials (eg tiles or thick glass)
  • only straight cuts possible

3. Purchase advice: What is the glass cutter needed for?

When you buy a glass cutter, it's not just about looking at the features of the tool, but also on it to respect the characteristics of the material to be processed, In glass cutter tests, not only handles and diamond or wheels are checked, but also tested on various glass thicknesses.

3.1. Glass thickness and glass hardness

Glass cutter comparison 2018: glass cutter

Never try to improve your glass cut by cutting twice in the same place. The glass may splinter and the cutter may break.

Before buying a glass cutter, you should be aware of which glass you want to cut. For the Different glass thicknesses you always need different cutting angles of the wheels, Even a cheap glass cutter could meet your requirements here.

3.2. Practice creates masters

Especially for lay people it is helpful if you Practice a few glass cuts before the actual project, The best glass cutter is of no use if you can not handle it. Many glaziers discard material remnants very cheaply. Especially the breaking of the fissure and the glass cutting itself is very difficult for beginners. If you already have a little more practice in glass cutting, it may be worth using a diamond cutter to cut the glass on stencils.

3.3. Grippy and strong

To find your personal glass cutter test winner, take an extra look at the handle of the tool. If you would like to have a glass cutter with as many functions as possible, then we recommend a cutter with an integrated oil tank or one that can also serve as a breaking edge at the same time. Some handles are shaped so that you can put the tool under the glass after the scoring and to the fissure then break the glass with the help of the tool.

However, many oilglass cutters are not suitable as a breaker, because they are too unstable because of the tank.

3.4. Quality is important

Glass cutter comparison 2018: comparison

The notches on some glass cutters to help break the glass.

If you only want to split a residual glass with your glass cutter, you do not have to buy the most expensive tool on the market. However, the Quality of the tailors with more expensive materials noticeable, If your tool is not suitable for such an expensive, thin glass, for example, you may not be able to cut the glass not only your material, but also the tool will break.

So pay attention to how well the handle fits in your hand, how high the cutting tip is and what angle the wheel has, or how firmly the diamond sits.

4. This is how the glass cut succeeds

For the glass cut to succeed, not only the right cutter for the glass thickness is important. Below we have you listed as an example, how the cut is successful.

Glass cutter comparison 2018: cutter

A silver-cut cutter is especially popular with professionals.
  1. Clean the glass plate of dirt and dust.
  2. Lay the glass on a straight, firm surface on which it does not slip.
  3. In case of uncertainty, draw the line with a felt-tip pen and sprinkle some cutting oil on the line to improve the cut.
  4. Cut along the line at a constant angle and light pressure.
  5. Break off the fissure with pressure. Do not be squeamish but careful, because depending on the thickness of the glass, you may need to increase or decrease your effort.
  6. Sand the edge with plain sandpaper so you can not cut.

Note: Remember to wear gloves and goggles. Also, make sure you only pull your cut once. If you pull the glass cutter along the existing fissure, the tension decreases and the glass can splinter.

4.1. The angle makes it

Since there are the glass cutter with wheels in different angles to buy, we have for you a small overview of the right angles for the right glass thickness prepared. Be sure to keep the cutter in the correct position for the angle to be right. The angle of the cutter can be changed with a screw by a few degrees, but also your hand posture influences the cutting angle.

The right angle for the respective glass thickness for straight cutting

glass thicknesscutting angle
1 mm118°
2 - 3 mm125°
3 - 4 mm135°
5 mm140°
6 - 8 mm145°
10 mm150°
12 - 15 mm155°
19 mm160°
19-24 mm165°

5. Frequently asked questions about the glass cutter

5.1. How does a glass cutter work?

Glass cutter comparison 2018: glass

A popular hobbyist idea is to turn old bottles simply into lamps.

A glass cutter does not really cut the glass. With the help of the tool, a joint is carved into the glass, At this fissure, the glass is subsequently broken off in a controlled manner. You should never drive this joint twice with the glass cutter, because otherwise the tool can break and the glass can not be broken without shattering.

5.2. How to use a glass cutter properly?

You should use the glass cutter use only for glass or similar materials, If you want to cut a slice, then clean the glass and place it on a straight and non-slip surface. Using a ruler and a waterproof pen, draw a line along which you want to cut. Place the glass cutter at the correct angle and drive once with moderate pressure along the line, Then place the fissure of the glass over a sharp edge and break it off.

5.3. How can I cut glass without a glass cutter?

In order to split glass, you do not necessarily need a glass cutter. With enough heat and cold, that can work too. Since you are handling fire here, be extra careful. It is best to work outside and without flammable substances in your area. We also recommend wearing refractory clothing and goggles.

Draw the line with a pen along which you want to cut the glass. Then dip a woolen thread into spirit and lay it down along the line. Light the thread and let it burn out, Then dip the hot spot in cold water so that the glass shatters.

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