3" STI Prep/master Segmented Diamond Grinding Discs 16/20 Grit For Concrete Bond:Medium Grits: Coarse/Medium/Fine

Grits: Coarse/Medium/Fine

Concrete floor grinding machine 4 heads 25"

Recommendation of application: hard or medium floors

Extra  Hard

The advantage is to quickly and aggressively open the old surfaces and leave obvious scratch patterns

3" STI Prep/master Segmented Diamond Grinding Discs 16/20 Grit For Concrete Bond:Medium Grits: Coarse/Medium/FineMetal Bond 3" Diamond Grinding Pucks For STI Prepmaster Grinders 16 20 Grit 6 segments are for the most aggressive grinding and quick floor opening. Segment: 6 Segment Bonds: Hard, Medium, Soft Grit: 16 20 Suggested Applications: Concrete Floor with Soft, Medium and Hard Hardness. Grinding Machines: STI Prepmaster Grinders and plates with proper adapters For some grits bonds of STI quick change, you may need to use our MAGNETIC ADAPTER, Click Here for