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Diamond-tipped core bits for dry coring have side slots that provide cooling and offer access for removing slugs of material from the bits after drilling. They do not require coolant during drilling and are suitable for drilling brick and block that is not reinforced.
| Core Diameter | 2-1/2 in |
| For Tool Type | DM 230, DM 650, DM 340, DM 220, DM 280, DM 406H |
| Shank Thread Size | 1-1/4"-7 |
| Decimal Equivalent | 2.5 |
| Maximum Drilling Depth | 10 in |
| Wet or Dry Application | Dry |