Laser Welded Diamond Stone Hole Saw Dry Core Drill Bits

  Stone Concrete Hole Saws Dry Diamond Core Drill Bits   Yoketool diamond dry-cutting core drill bit is specially designed for efficient cutting of hard and brittle materials such as stone, tile, granite, marble, etc. It adopts high-quality diamond sintered cutter head and does not require water cooling to achieve fast and clean dry drilling. It is especially suitable for fine operations such as interior decoration and countertop opening.   1-1/4-7,1/2BSP,M16,etc Nut Side Groove Dry Drilling Diamond Core Bit,for Drilling Concrete,soft Bricks,lightweight Blocks Without Water.sharp Blade, Firm and Wear-resistant,longer Coring Life.   Features:    Out Diameter:φ32mm—200mm Total Length:170/240mm Diamond Material,Drill Sharpness, Drilling Concrete Wall Through Fast. Application:Concrete,soft bricks,lightweight blocks without water. Three Lines in One,Concentric Shaft to Drill Fast,No Deviation from Center as Drilling Direct Factory,Customization accepted.   How stone hole saw dry core bi…