● Product Name:hole Saw Drill Bit
● Material:  Brazing Diamond
● Total Length:65-67mm
● Shank Size:5/7/810mm
● Depth of Opening: 35mm
● Punching Diameter:
 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 28mm 30mm 32mm 35mm 40mm 42mm 45mm   50mm 55mm 60mm 65mm 
● Note: 
Water Is Required to Cool the Drill Bit When Drilling, Good Cooling Can Significantly Extend the Service Life of the Hole Opener. Do Not Drill Without Water, Otherwise the Drill Bit Will Be Easily Damaged.
Do Not Drill into Toughened Glass.
The Appearance of the Product Will Be Slightly Different, for Example: 25mm Under the Hole Is Hollow Shank, 28mm or More Is Solid Shank: This Is Based on Different Product Specifications, for the Convenience of the User to Make the Design, Please Rest Assured That the Purchase!

Product Features
The Product Is Made of High Quality Gold Steel Sand, Which Is Sharp and Durable. After the Electroplating Process, the Gold Steel Sand Is Firmly Set in the Cutting Part of the Edge, with High Life and Durability. the Cutting Part of the Cutter Head Adopts the Notch Design, Which Ensures More Time-saving and High Efficiency in Chip Removal and Sharpness During Operation. the Head Is Designed with Special Openings for Easy Chip Removal and Low Cutting Resistance.

Product Applications
Suitable for Smooth Surfaces Such As Tile, Ceramic, Marble, Granite and Terrazzo. Not Suitable for Materials Such As Concrete. Our Upgraded Tile Hole Saw Kit Can Greatly Improve the Working Efficiency, Saving You Time and Energy.