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Glass Cutter Advice

Your glass cutter is one of the most important parts of your kit. Cutters come in lots of different shapes so that everyone can find one that suits them.

Some have a hollow shaft that’s filled with oil and some don’t. Most have tungsten carbide wheels.

Here’s a 2 minute video showing how to hold the different cutters:


Take control of your cutter

K Star and Toyo Cutters

K Star and Toyo both make oil-filled cutters and both offer pencil and pistol grip cutters. They both have a reservoir for oil which feeds down into the cutter head and on to the wheel.

The only difference is the shape. Pencil cutters are the standard shape and suit people who have no issues with applying pressure with their wrists.

Pistol grip cutters are shaped like a pistol and held like a club rather than a pencil. They are very good for people who may have trouble applying pressure – someone with carpel tunnel syndrome for example.

Best Cutter

The cutters I use all the time are made by Toyo. I personally prefer the pencil grip – called the Comfort Grip Supercutter – but others love the pistol grip – called a Pistol Grip SuperCutter. It’s all a matter of preference.

The Toyo Comfort Grip Supercutter is the one I recommend.

Buy it here from Amazon.

  • It’s lighter and more comfortable than others I’ve tried and cuts down on cramp
  • Lasts for ages, with replaceable head. I’ve had mine for years
  • It has an ingenious pressure system for dispensing oil, which also enables you to gauge how much pressure you need to score a piece of glass
  • Very good for general purpose and frequent use
oil-filled glass cutter
Top: Shaw cutter Bottom: Toyo Comfort Grip Super Cutter

Shaw Cutters

The cheapest cutters are called Shaw cutters and are made of metal. These don’t have carbide wheels. I would recommend getting one – but not for cutting!

I use mine for tapping and opening up tricky scorelines from underneath, as I find the weight of them much better than the plastic oil-filled models.

They are the most basic of cutters and were used for stained glass all the time.

My experience as a teacher has taught me that the newer oil-filled cutters are easier for beginners. Those not used to cutting glass findShaw cutters difficult to use and so I don’t recommend them for beginners.

There are those that swear by them though!

Replacement Heads

Cutters will last for ages if you look after them (don’t go over that scoreline again, however tempting!) You’ll know when they start becoming blunt because it will become harder and harder for you to make a good scoreline. When this happens you can buy replacement heads that you simply screw on to your cutter. This is a much cheaper option than buying a whole new cutter.

Brass Circle Cutter

I love demonstrating this Circle Cutter tool to my students, it’s like magic!

It has a suction pad, a ruler to enable you to measure the diameter of your circle, and a tungsten carbide wheel to create the scoreline as you move it through 360 degrees.

glass circle cutter
Circle cutter

Glass Cutter Oil

Glass cutter oil can be purchased in 200ml bottles. To be honest, I’ve used various oils when I’ve been desperate, with no ill effects. Kerosene or sewing machine oil are good household alternatives and much cheaper.

Cutting Mats

These are a bit spongy, and help keep the glass from slipping. They have what looks like graph lines on them so if you’re wanting to cut straight lines they are quite useful.

I use spare bits of linoleum left over from various Do It Yourself jobs and have found them to provide a very good surface for cutting on as they are a little bit cushioned and absorb the pressure of the cutting.

Helpful Resouces

Here’s a fantastic 3.5 minute video that takes you through all the different cutters available. It also tell you when you need oil for cutting. You might be surprised!


Helpful video showing all the different types of cutter

If you’d like to learn how to cut with your new cutter, here’s a helpful tutorial.

 

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