If you're looking for a blade to cut 20mm thick external porcelain slabs try the following product:

Diamond Blades to cut 20mm thick Porcelain 

https://www.ebay.co.uk/itm/254109481369

Thin Continuous Rim Diamond Blades

Designed specifically for the cutting of:-

Porcelain Tiles

Hard Ceramic Tiles

Quarry Tiles

Stock available in the following sizes:-

110mm x 22.2mm

115mm x 22.2mm

125mm x 22.2mm

180mm x 22.2mm / 25.4mm

200mm x 22.2mm / 25.4mm / 30mm

250mm x 22.2mm / 25.4mm / 30mm

Designed for use in static tile cutting machines or in angle grinders. These blades can be used wet or dry however the life span and performance of the blade will be substantially increased and the quality of cut far cleaner if water cooling is used.

The images displayed are of the actual items for sale and are not library or manufacturers pictures.

All stock is held in the UK and is ready for immediate shipment.

Why shop with us?

We are a fully VAT registered UK Limited Company

A full VAT invoice will be included with every sale.

We offer a full returns policy if you are unhappy with the delivered product.