20PCs 6.5 x 6mm Diamond Hole Saw Drill Bit Hand Electric Drill Bit Brazing Hole Opener Drilling Tools for Glass Ceramic Tiles

• Strong Hole Opening Performance :Made of high grade diamond material ,such hole saw drill bit keeps high hardness and durability .With strong hole opening performance ,the drill bit can keep fast drilling speed and smooth drilling without seamless
• Superior Design :With oval chip hole ,more efficient to discharge the chips ,small cutting resistance .There is 6mm / 0 . 2in hole opening diameter ,ergonomic designs ,the Hole Openings Tools are easy to operate and mount
• Great Workmanship :The Diamond Drill Bits Set adopt high‑quality brazing technology ,has smoothly opening without broken edges ,no vibration .There are 10pcs in one set ,is perfect replacement for the old one
• Broad Scope of Applications :This high speed ceramic hole saw bit adopted diamond material has wide applications ,can easily drill holes in various material (glass ,ceramic tile ,marble ,ceramic ,stone ,concrete ,brick ,etc . )
• Note :Continuously add water to cool ,dry drilling is strictly prohibited ,high temperature friction occurs ,causing serious wear and tear and affecting the use effect ,please operate carefully and pay attention to safety

Specification: Item Type: Hole opener Color: Gold Material: Diamond Size: Approx. 6.5 x 6mm / 0.3 x 0.2in Hole Diameter: Approx. 6mm / 0.2in Uses: Suitable for drilling holes in marble, concrete, granite, ceramic tiles, glass, etc. Package List: 20 x Hole Opener Notice: 1. The hole opener is installed on the hand electric drill. Since this hole opener does not have a center positioning drill, operate carefully and pay attention to safety. 2. Continuously add water to cool, dry drilling is strictly prohibited, otherwise, high temperature friction occurs, causing serious wear and tear and affecting the use effect.