Diamond Cores give the best results when used with a purpose-built core drilling machine. Type Core bit. Ideal for use in plumbing, electrical and general building installations to cut clean holes in brick and concrete blocks.
HILTI DD110 DRY DIAMOND CORE DRILL / Drilling 110v (c/w 38mm & 108mm Core Bits
Dewalt D21570K Dry Diamond Core Drill Rotary Percussion 240v + 7PC Electricians
Milwaukee DD2-160XE 2 Speed Dry Diamond Core Drill - 240V - Working
Dewalt D21570K Dry Diamond Core Drill Rotary Hammer Percussion Drill 240v
DeWalt 110v 127mm Dry Diamond Core Rotary Hammer Percussion Drill + Case D21570K
DeWalt D21570-LX 1300W 2-Speed Corded Hammer / Dry Diamond Core Drill (110V)