One set Vacuum brazed diamond core bits with Box, professional quality. 8pcs products with box. Diameter 20+25+30+35+40+50+60+68mm Drill Bit. Drill Bit: Diameter 20mm 25mm 30mm 35mm. 40mm 50mm 60mm 68mm. Total length: 60mm, Connection: M14 Thread, Diamond height 10MM. Dry/wet drilling for porcelain tile, granite, marble, ceramic. Vacuum brazed technology provide high efficient working performance. Fast and Smooth drilling. Less loss of material. These products are marked with our brand. If you do not want our brand name, please leave us message, we could send you products without brand. Customize service: we could mark your brand name on our products. 35/50mm Diamond Cone Milling Bit Ceramic Tile Chamfering Finger Hole Saw Cutter. 6mm-50mm Diamond Drilling Core Bits Hole Saw Cutter Cut Ceramic Tile Masonry M14. 6mm-50mm Diamond Drilling Bits Core Bit Hole Saw Cutter Cut Porcelain Tile M14. Vacuum Brazed Diamond Router Bits with 1/2 Shank, Router Cutter Stone profiling. 20/35/50/75mm Diamond Milling Cone Bit Ceramic Tile Chamfering Finger Hole Saw. Vacuum Brazed Diamond Mortar Raking Bit for Mortar Removal Brick Stone 2pcs 74mm. Vacuum Brazed Diamond Router Bits with 1/2 Shank, Router Cutter for Stone Cut. 8/200mm Mesh Diamond Saw Blade Cut Porcelain Tile Marble Cutting Wheel Disc. Diamond Turbo Cutting Wheel Ø75mm Tile Saw Blade for Marble Ceramic Cutting Disc. 6mm-125mm Diamond Drilling Core Bits Porcelain Tile Masonry Hole Saw Cutter M14. 3/75mm Turbo Diamond Saw Blade Cutting Disc Wheel Angle Grinder Ceramic Marble. 20mm Diamond Driling Core Bit Milling Porcelain Grinder Finger Bit Hole Saw Tile. Diamond X-Mesh Cutting Disc Wheel Saw Blade Porcelain Tile Marble 2pcs 4.5inch. Diamond Turbo Saw Blade Cutting Disc Wheel Angle Grinder Ceramic Marble 3/75mm. 10-25mm Vacuum Brazed Diamond Demi-bullnose Edge Profile 75mm Grinding on marble. Diamond Finger Bit 2x 74mm Mortar Raking Bit for Stone Brick Masonry Round Shank. 4-9inch Diamond Segmented Saw Blade Cutting Disc Tool for Concrete Block Granite. 20-68mm Vacuum Brazed Diamond Drilling Core Bits Granite Porcelain Tile Hole Saw.