Compressed air chisels for working stone with compressed air

Air chisels can be found at bildhau in various shaft thicknesses: 7.5 mm (MILANI, GIORGI), 10, 2 mm (BAVARIA, REBIT, GUILLET), 12.5 mm (MILANI, GIORGI, REBIT, BAVARIA) and 13 mm conical (BAVARIA)n. Which shaft thickness is the right choice depends on the one hand on which air hammer you (want to) work with, and on the other hand on which work you want to carry out on which stone.

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Air chisels with different shank thicknesses for every application

Italian air chisels have a shaft thickness of 7.5 mm or 12.5 mm, chisels from BAVARIA usually of 10.2 mm. Accordingly, the air hammers of the Italian brand CUTURI, for example, have insertion ends for 7.5 mm and 12.5 mm chisels. The German manufacturers BAVARIA and FRÖLICH & KLÜPFEL offer air hammers with insertion ends for 10.2 mm and 12.5 mm air chisels. Therefore, when buying, make sure that air hammer and air chisel fit together!

If you want to use larger pneumatic chisels for heavy material removal, we recommend a shaft thickness of at least 12.5 mm. Chisels with thinner shafts can break when working with high force.

Chisels made of forged steel or carbide?

As with hand tools, there are also chisels made of forged steel and carbide in pneumatic tools for stone working. Basic info on forged steel and carbide chisels can be found here.

Which air chisel for which use and for which stone?

You will find precise information on which compressed air chisel is suitable for which stone on the respective product pages. You can also use the filter function to search directly for the right tools for a specific type of stone.

For the different types of work, there are, as with the hand tools, pointing irons, bouncers, tooth irons and flat irons or writing irons, furthermore tools such as stock irons, with which you can create surfaces and design surfaces. We recommend that you only work on harder crystalline stones with pneumatic pointing irons and that you use pointing irons carefully so as not to damage the stone structure. Depending on the type of stone, blunter bouncers or toothed irons are better suited for a large amount of material removal. Flat irons can also be used for material removal instead of point irons, mainly by using the corners of the flat irons.

As a rule, the Italian air tools that we carry at bildhau are very pointed and sharp. This makes them very suitable for working marble and other crystalline rocks. The pneumatic chisels from BAVARIA, for example, on the other hand, tend to be blunt and are therefore particularly practical for working hard stone such as granite. The air chisels from GUILLET have an exposed carbide plate, which makes it very easy to create shapes with corners, curves and many details. Chisels are always used at right angles to the surface to be worked. If you want to work on marble with a chisel, we recommend using a pneumatic hammer with a very direct impact, such as the one from CUTURI.

Vibration damping

The vibrations of pneumatic tools are transmitted to your hands and arms, which you will notice especially if you work a lot and for a long time with pneumatic chisels. To dampen these stresses, BAVARIA and FRÖLICH & KLÜPFEL have developed air hammers and air chisels with vibration damping. The systems vary, so the damping can be integrated into the hammer handle, but there are also chisels with vibration damping covers.

Sharpening tools

Air tools, especially forged steel chisels, need to be sharpened regularly, just like hand tools. For this purpose, benchstones are just as suitable for sharpening by hand as diamond sharpening blocks, which you can find in various formats at bildhau. Of course, you can also machine sharpen your air tools. Information on how to proceed with sharpening can be found here.

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