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Mitre and bevel cuts on tile: Jolly Edge, J-Pro or Simple Bevel?

October 11, 2026
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In short: to make an outside corner without a trim profile, you cut both tiles at a mitre, around 45°, and join them. Sigma offers three tools that mount on an angle grinder. The Jolly Edge (37A3PD) cuts mitres between 40° and 50° and shapes bullnose edges. The J-Pro (037B2D), preset at 46°, weighs only 3.8 kg. The Simple Bevel (36A5PD) makes bevels of variable angle and depth.

Sigma mitre-cutting tools compared

Jolly Edge 37A3PDJ-Pro 037B2DSimple Bevel 36A5PD
Main use40°–50° mitres and bullnose46° mitresPrecision bevels
Tile thickness5 to 20 mm, in a single pass5 to 20 mm, in a single pass0 to 12 mm bevel (0 to 6 mm on porcelain)*
Tile size / edgeFrom 30 cm to unlimitedFrom 30 cm to unlimitedEdge finishing up to 30 mm*
Angle40° to 50°46°22° to 90°*
Blade or wheel115 mm turbo blade (75B*), 125 mm capacity*115 mm turbo blade, 125 mm capacity72D, 72DP and 72E wheels*
Grinder700 to 1,400 W700 to 1,400 W700 to 1,400 W*
Weight4.5 kg3.8 kg4.5 kg

* From the Ceramed product page. Other values come from Sigma.

Jolly Edge: mitres and bullnose edges

The Jolly Edge cuts mitres at any angle between 40° and 50°, on tiles 5 to 20 mm thick and at least 30 cm long, in a single pass. Its shoe slides along the slab edge and follows its curves. In half-round mode, it shapes bullnose edges with a 6, 8 or 10 mm radius. According to Sigma, the VACUUM wheel lasts about 300 m and the LONG LIFE wheel (8 mm radius) about 1,000 m.

The 37C mounting kit locks the machine to a table to work small pieces such as baseboards. For wet cutting, add the WATERKIT 87E4.

J-Pro: the 46° mitre, light and ready to use

The J-Pro comes preset to cut at 46°. The shoe follows the slab's curvature, and you only set the distance between the blade and the edge. It cuts dry with dust extraction, or wet with the WATER-KIT 87E4. It clamps quickly onto the Sigma workbench for narrow pieces like baseboards. At 3.8 kg, it is easy to carry from one job site to the next.

Simple Bevel: precision bevels

The Simple Bevel makes precision bevels at variable angle and depth. Sigma's manual shows settings at 22°, 45° and 90°, and gives a few practical tips:

  • Tighten the velcro pad with a 6 mm wrench, then mount the grinder.
  • Insert the diamond wheel, centre it and press it in, then set the depth.
  • On a polished tile, tape the 12 cm where the machine slides to avoid scratches.
  • Near the edge, do not press outside the tile.

The Simple Bevel also mounts on the Sigma 63F workbench.

Which diamond blade to choose?

BladeDiameter and thicknessTile thickness (Sigma)Use
75B turbo115 mm, 1.4 mm5 to 20 mmStandard blade for the Jolly Edge and J-Pro
75C3 precision mitre115 mm, 1.1 mmUp to 6 mmFine mitres on thin calibrated panels
75D125 mm, 1.4 mm5 to 25 mmThick tiles, up to 25 mm, with the Jolly Edge or J-Pro

Frequently asked questions

How do you make an outside tile corner without a trim profile?

Cut both tiles at a mitre, around 45°, so they meet on the edge. The Jolly Edge (40° to 50°) or the J-Pro (46°) make this cut in a single pass, on tiles 5 to 20 mm thick.

Can the Jolly Edge make bullnose edges?

Yes. In half-round mode, with the bullnose wheels, it shapes rounded edges with a 6, 8 or 10 mm radius.

Which grinder works with Sigma tools?

An angle grinder from 700 to 1,400 W. In Canada, choose the "PD" versions with a 5/8"-11 thread, such as the 37A3PD and the 36A5PD. The J-Pro 037B2D comes with a universal M14 adapter.

Buy Sigma at Ceramed

Ceramed, a proudly Québec company based in Saint-Mathieu-de-Beloeil, stocks a wide selection of Sigma products, including blades, wheels and mounting accessories. We ship across Canada and offer more than 90 free pickup locations. Professionals get special pricing with Ceramed Pro.

Sources: official Sigma catalogue, Sigma Simple Bevel manual and sigmaitalia.com.