COUGAR® HD Dry Diamond Coring Bits for Drilling Cured Concrete, 5/8"-11 Arbor, Size 1" to 6" Diameter

COUGAR® dry diamond core bits feature fluted segments that reduce drag, penetrate quickly and result in faster and straighter holes. They offer high productivity at a low cost per hole. Also use for drilling brick, block and various stone materials.

• Use with wet or dry coring machines, hand-held drills and variable speed grinders
• Features laser-welded segments that hold up under extreme heat and pressure
• 9" Drilling depth with standard 5/8"-11 threaded arbor
• Use 500 - 2,500 RPM for best drilling results