Rubber Water Containment Rings for Wet Core Bit. The water containment suction ring is used to hold water while drilling holes on granite, marble, and other high gloss surfaces. Water will act as cooling and lubricating agent when drilling with diamond core bits, thus increase the speed of the drill as well as increasing the life of the bits
The small water ring is 1-1/2" in inner diameter for diamond core bits of up to 1-1/2".
The large water ring is 3" in inner diameter for diamond core bits of up to 3".
FEATURES:
- Holds water whiling drilling holes on granite
- Prolongs life of core bits
- 3-inch and 1-1/2-inch ID
