The PremaDia range encompasses diamond wheel grit products specifically developed for applications in metal, electroplated, resin and vitrified bond tools. The product range extends from PremaDia PDA 999, which is a high strength crystalline abrasive suitable for demanding applications and high production rates, to the micro-chipping PremaDia PDA 321 and PDA 211, particularly suitable for grinding cemented tungsten carbides and hard ceramics. 

The products are ranked in terms of their relative particle characteristics in the PremaDia Indicator Chart. All products are offered as standard in the size range 60 to 400 US mesh, apart from PremaDia PDA 211, which is available in the size range 200 to 400 US mesh.