Diamondblade

Professional dry use or wet use diamond core bit  designed for dry drilling with hand held machines.
 lightweight block, aerated block, plaster, mortar, abrasive sandstone, medium concrete , hand made brick, stock brick, concrete paviors, york stone, cobble stone and plenty of other abrasive stone. Other applications can be used on and are specifically engineered to drill into or through reinforced concrete using little or no water. It is up to the user. It works fantastic on red brick, retaining block, cobblestone pathways, brick pathways, curbs and sidewalks and limestone stairs.