Silverline Diamond Core Drill Bit 22 x 300mm

Amazon

Heavy duty steel body with diamond dust cutting segments Dry cutting of accurate holes in masonry Integral hex arbor For use with drills equipped with a safety clutch Do not use with ha mmer action, Weight: 0.76500404914 pounds, Manufacturer: SLTL4

Electrical World

Heavy duty steel body core drills with diamond dust cutting segments. Ideal for dry cutting clean holes in masonry. Use with 1/2" BSP compatible arbors and drills equipped with a safety clutch. Do not use with drills set in hammer action.

Zoro Tools

Heavy duty steel body dry core drills with diamond dust cutting segments. Cuts clean holes in masonry. Ideal for use with or without lubricant. Use with 1/2" BSP compatible arbors and drills equipped with a safety clutch.