Excellent heavy duty grade bits for fast penetration in all types of concrete and masonry. 1/2" Thread Wet & Dry Use Steel Slotted Barrel to Aid Removal of Debris For Use with SDS Plus or 3-Jaw Chuck Machines on Rotary Action 7.8mm Diamond Segments

Erbauer Diamond Core drill bit (Dia)28mm.Containing industrial diamond segments in its cutting teeth this 28mm diameter core drill bit can repeatedly power through robust material

The CorePlus Diamond Dry Core Drill Bit delivers a smooth drilling experience. Its 8mm diamond segments feature a high concentration of premium-grade diamond in the bond, utilising leading edge diamond/metal bonding, metallurgy, for long-la...