Dry/Wet Drilling, no worry about adding water when in the processing, adding water will prolong the workable lifes, water/Wax(6mm) will cool down the segment New design of Vacuum Brazed tech. for fast and smooth drilling efficient, designed for save your times, get longer life than tradition coated diamond drill bits With 5/8"-11 thread, easy operate on the angle grinder; attached round shand adpater for wide application on Hand Drill, Bench Drill, no worrying of looking for adapter Application: drilling clean holes on Porcelain/Tile Ceramic Tile Granite Marble Stone Brick masonry and so on for creating a high precision,smooth cut with no broken edges Perfect for drilling the faucet-mounting holes in countertops and vanities, do not use this adapter and Core Drill Bits on Hammer Model Antengdatool introduces vacuum brazed diamond hole saw with 5/8"-11 thread attached an adpter, committed to providing fast&smooth drilling efficient for installer or home improvement hobby in porcelian/tile ceramic granite & marble,masonry,brick,stone...

Shanghai Antengda Tools Co., Ltd. is committed to providing each customer with better products and better service in the processing of tile, wood, metal, stone and so on

If you have any questions and problems, welcome to contact us, we will provide good after-service to you, if there are any quality problem, we provide 100 percent refunding or replacement