 Core Bit (DB39) [2007-07-26] |
| Crown (Ring) Type Core Drill (DB40) [2007-07-26] |
| Air-Condition Water Pipe Caliduct Drill [2007-07-26] |
| Core Barrel [2007-07-26] |
| Core Barrel (CB02) [2007-07-26] |
| Core Drill Bit for Construction (DB42) [2007-07-26] |
| Continuous Turbo Core Bit (DB45) [2007-07-26] |
| Steel, Core Barrel, Join Up with Bit Body [2007-07-26] |
| Carbide Burrs (CB02) [2007-07-26] |
| Carbide Burrs [2007-07-26] |
