The Millenium B680 Hard Diamond Core Bit is an excellent bit for asphalt and concrete with soft, abrasive aggregate. It can also be used for drilling air-cured refractories. The B680 is part of the Professional Line of diamond core bits from Husqvarna.
Use wet only. Sizes 2" to 6 1/4". Additional sizes are available. Call us at 1-866-268-2600 for more information.
Core Travel: 14"
All B680's are threaded for a 1 1/4" - 7 adapter.