Double Bar Segments Diamond Grinding Disc for National Machine (NMS-B2)
Bond Type Available: soft bond for hard concrete, medium bond for medium concrete, hard bond for soft concrete.
1. Grit available: 6#, 16#, 30/40#, 60/80#, 100/120#, 150#, 200#.
2. Bond Type Available: soft bond, medium bond, hard bond.
A. Extra Soft Bond – For Very Hard Concrete
B. Soft Bond – For Hard Concrete. Bonds needs to be soft to expose diamond crystals to grind the hard surface. Hard concrete contains hard granite, quartz, river stone, flint rock.
C. Medium Strength Bond – Suggested in most cases, most popular and most common bond used. For use on floors containing common pit gravel and/or medium river stone, traprock, crushed gravel. The Soft and Hard Bonds are typically reserved for extreme (uncommon) cases.
D. Hard Bond – For Soft Concrete. Bond has harder metals in its matrix to withstand the abrasion, so the diamond crystals are not kicked-out before they have a chance to work the surface. Soft concrete contains limestone, sandstone, dolmite, soft shell.
E. Extra Hard Bond – For Very Soft Concrete
3. Most Consistent, Highest Quality
4. Wet or Dry use
5. Fits all National Machine grinders
6. Diamond Segment Height: 12mm
1. Efficient,stock removal for improve labor production while reducing tooling cost
2. More than just a great price, a consistent performer with very impressive durability
3. Double rectangular segments also removed lippage and light adhesives and coatings