1.Judge your cutting material, granite, marble ,concrete,ceramic,limestone,quartz,etc.
2.Choose the diameter according to bridge cutter.Or telling the seller your machine model and slab thickness,they will recommend suitable diamond saw blade.
3.The harder stone use the softer bond.For example,hard granite usually use soft bond formula.
4.Usually W,U,M shape has better sharpness than flat shape(in the same formula).
If you do not know much ,you can contact us:www.sangtools.com
24/7 via fax, email or phone.