10Pcs Diamond Drill Hole Saw Bits Set for Tile, Glass, Ceramic (6-30mm) - Professional Hole Opener Tool Kit for Home Improvement & DIY Projects - Perfect for Bathroom Renovation, Mirror Installation & Craft Making

After the center drill is removed, the drilling efficiency is high. It is necessary to continuously add water to cool during use.Accurate Hole Puncher is made of high carbon steel with a and smooth opening,no broken edges.Nickel plating on the surface for extended service life and enhanced surface resistance.Tile Hole Puncher with Center Drill Diamond Hole Saw Tools for Glass/Tile/Porcelain//Ceramic 16mm to 40mmThe universal round handle is suitable for electric drills and impact drills.So as not to burn the drill bit to extend the life of these hole saws.Wear protective gloves, glasses, masks, etc. when opening the hole, attention to .This product can not drill tempered glass! Please check the integrity of the hole opener before use. Clamp the hole inserter when it is installed in the drill.【Use for】When using, first position the 45° drill. Drill vertically again.Due to the drilling, the center drill position can not enter the water, which makes the center drill bit easy to burn out. After the positioning is completed, the center drill bit must be taken down.Accurate Hole Puncher is perfect for drill glass, tile bottles, fiberglass porcelain tile ceramic, , light stone and other hard material.1x Drilling bit（10pcs）【Rustless and Durable】The hole opener with a positioning center drill makes drilling easier.

100% metal

Imported

So As Not To Burn The Drill Bit To Extend The Life Of These Hole Saws.

Wear Protective Gloves, Glasses, Masks, Etc. When Opening The Hole, Attention To .

After The Center Drill Is Removed, The Drilling Efficiency Is High. It Is Necessary To Continuously Add Water To Cool During Use.

The Universal Round Handle Is Suitable For Electric Drills And Impact Drills.

This Product Can Not Drill Tempered Glass! Please Check The Integrity Of The Hole Opener Before Use. Clamp The Hole Inserter When It Is Installed In The Drill.