DIAMOND STONE CODE EXPLANATION CHART & SURFACE FINISH GUIDE
Engines with Nickel-Plated cylinders (“Nikasil®”): Because of the remarkable hardness obtained with nickel-plated treatment, the working with above mentioned abrasives is not possible, so it is necessary to use the Diamond Stones. Stone supports supplied by us are build with Resin Bond Diamond Strip and are available usually in two specifications:
D330 (finishing) and D276 (roughness)