5 pezzi mola diamantata 100 mm metallo sinterizzato legame secco rettifica a umido
✔ Complete 5-Step System – From coarse grinding (30#) to fine polishing (400#). 3️⃣ Use Sequential Progression – Never skip more than 1 grit level. 1️⃣ Start Dry for Coatings – Switch to wet for hard materials.