Key features

• •𝔾𝕠𝕠𝕕 𝕄𝕒𝕥𝕖𝕣𝕚𝕒𝕝—— Diamond hole saw is made of carbon steel and coated with nickel to resist corrosion. Diamond drill bit creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
• •𝟙𝟝 𝔻𝕚𝕗𝕗𝕖𝕣𝕖𝕟𝕥 𝕊𝕚𝕫𝕖𝕤 ——15 Diamond Hole Saws 6mm/0.24" 8mm/0.31" 10mm/0.39" 12mm/0.47" 14mm/0.55" 16mm/0.63" 18mm/0.71" 20mm/0.79" 22mm/0.87" 25mm/0.98" 26mm/1.02" 28mm/1.1" 30mm/1.18" 40mm/1.57" 50mm/1.97"
• •𝔸𝕕𝕛𝕦𝕤𝕥𝕒𝕓𝕝𝕖 𝔻𝕣𝕚𝕝𝕝 𝔾𝕦𝕚𝕕𝕖——No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide with suction cup and 4 bearings will hole the diamond hole saw still during the process. From 6mm to 50mm all the hole saws can fit in this guide.
• •ℍ𝕠𝕝𝕝𝕠𝕨 ℂ𝕦𝕥 𝕆𝕦𝕥——The large clearance holes on drill bit help cooling with water and rinse chips and other particles from the borehole, ensuring smooth cut and speed up drilling. When debris gets stuck in the hole saw,the clearance holes allow you to use the screwdriver to pry it out.
• •𝕍𝕖𝕣𝕤𝕒𝕥𝕚𝕝𝕖——This diamond hole saw and guide set is a nice set to help you with home modification, wine bottle craft, glass or procelain pot modification. No matter you are a diyer or family handyman, this set is all you need.