National Half Bar Diamonds are metal bond planetary grinder diamonds for when you need more head pressure than Full Bar Diamonds provide. They remove thin epoxy, paint, adhesive, and sealers, and profile concrete ahead of new coatings or polishing.
Specifications
| Bond Type | Metal Bond |
| Available Grits | 6-Grit, 16-Grit, 30-Grit, 50-Grit |
| Hardness Options | Hard, Medium, Soft (varies by grit — see variant options) |
| Helix® Speed | High Speed — decrease to Low if diamonds start glazing |
| 8274-4 Speed | Highest Speed — decrease incrementally if diamonds start glazing |
