Diazon Engineering manufactures Thin Wall Coring Bit. Diazon Engineering is the manufacturer of Diamond Tools for Concrete Cutting, Diamond Tools for Concrete Drilling, Diamond Blades for Concrete Drilling, Circular Blades, Thin Wall Coring Bits, Wire Sawing with Diamond Bead etc. Thin Wall Coring Bit is available from 12 mm to 100 mm diameter.